Could You Pass a Beginner Mechanic's Vehicle Quiz?
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Question 1
What Does The Oil Warning Light On Your Dashboard Mean?
Question 1
What Is The Purpose Of A Car's Radiator?
Question 1
What Does AWD Stand For On A Vehicle?
Question 1
In A Standard Automatic Car, Which Pedal Controls The Brakes?
Question 1
What Fluid Goes Into A Car's Windshield Washer Reservoir?
Question 1
What Does It Mean When A Tire Is Described As Flat?
Question 1
What Is The Job Of A Car's Alternator?
Question 1
What Does The Check Engine Light Specifically Indicate?
Question 1
What Are Brake Pads Used For In A Vehicle?
Question 1
What Does It Mean When Your Car Needs An Oil Change?
Question 1
What Does A Car's Spare Tire Get Used For?
Question 1
What Is The Steering Wheel Connected To In A Car?
Question 1
What Does A Car's Horn Do When Pressed?
Question 1
What Is The Purpose Of A Car's Headlights?
Question 1
What Liquid Do Older Flooded-Cell Car Batteries Require To Function?
Question 1
What Does A Car's Transmission Actually Do?
Question 1
What Is The Job Of A Car's Air Filter?
Question 1
What Does The 'P' Position On A Gear Shift Mean?
Question 1
What Does A Car's Muffler Help Reduce?
Question 1
What Does A Mechanic Mean By A Car's VIN?
Question 1
What Does A Car's Gas Gauge Tell You?
Question 1
What Is The Purpose Of A Car's Seat Belt?
Question 1
What Does A Car's Thermostat Actually Control?
Question 1
What Part Of A Car Connects Two Wheels On The Same Side?
Question 1
What Is The Job Of A Car's Serpentine Belt?
Question 1
What Does A Car's Catalytic Converter Do?
Question 1
What Fluid Does Power Steering Use To Work?
Question 1
What Is A Car's Dipstick Used To Check?
Question 1
What Does PSI Stand For On A Tire Gauge?
Question 1
What Is The Purpose Of A Car's Shock Absorbers?
Question 1
What Does A Car's Fuel Pump Actually Do?
Question 1
What Is The Purpose Of A Car's Timing Belt?
Question 1
What Fluid Does A Car's Brake System Use?
Question 1
What Is A Car's Lug Nut Used For?
Question 1
What Does A Car's Coolant Actually Do?
Question 1
What Is The Job Of A Car's Starter Motor?
Question 1
What Does A Car's Tread Depth Affect Most?
Question 1
What Is A Car's Cabin Air Filter Designed To Do?
Question 1
What Does It Mean When A Car Is Described As Front-Wheel Drive?
Question 1
What Is The Purpose Of A Car's Parking Brake?
Question 1
What Does A Car's Turn Signal Actually Do?
Question 1
What Is The Purpose Of A Car's Side Mirrors?
Question 1
What Does A Car's Odometer Measure?
Question 1
Which Part Of A Car Cleans The Windshield In Rain?
Question 1
What Is A Car's Engine Coolant Also Commonly Called?
Question 1
What Does A Mechanic Mean By A Car's RPM?
Question 1
What Is The Job Of A Car's Fuse Box?
Question 1
What Does A Car's Tachometer Gauge Display?
Question 1
Which Part Of A Car Forms Its Structural Skeleton?
Question 1
What Does It Mean When A Car Engine Is Described As Overheating?
Question 1
What Is The Purpose Of A Car's Gas Cap?
Question 1
What Does A Car's Defroster Do For You?
Question 1
Which Fluid Keeps A Car's Gears Shifting Smoothly?
Question 1
What Is The Job Of A Car's Wheel Bearings?
Question 1
What Does A Car's Battery Actually Power?
Question 1
What Is A Car's CV Joint Responsible For?
Question 1
When A Mechanic Says Your Car Needs A Flush, What Does That Mean?
Question 1
What Is The Purpose Of A Car's Tie Rods?
Question 1
What Does A Car's Torque Wrench Help A Mechanic Do?
Question 1
What Is A Car's PCV Valve Designed To Do?
Question 1
What Does A Car's Speedometer Tell The Driver?
Question 1
What Is The Purpose Of A Car's Glove Compartment?
Question 1
What Does A Car's Jack Help You Do?
Question 1
Which Part Of A Car Protects You In A Front Collision?
Question 1
What Is A Car's Exhaust Pipe Designed To Do?
Question 1
What Does A Mechanic Mean By A Car's Blind Spot?
Question 1
What Is The Purpose Of A Car's Sun Visor?
Question 1
What Does It Mean When A Car Engine Is Described As Idling?
Question 1
What Is A Car's Bumper Primarily Designed To Do?
Question 1
What Does A Car's Rearview Mirror Help A Driver Do?
Question 1
What Does A Car's Tailgate Refer To On A Truck?
Question 1
What Is The Purpose Of A Car's Fog Lights?
Question 1
What Does A Car's Tow Capacity Tell You?
Question 1
What Is A Car's Differential Designed To Do?
Question 1
What Does It Mean When A Mechanic Says A Car Is Misfiring?
Question 1
What Is The Purpose Of A Car's Struts?
Question 1
What Does A Car's Caliper Do In The Brake System?
Question 1
What Is A Car's Payload Capacity?
Question 1
What Does A Car's Timing Chain Do?
Question 1
What Is The Purpose Of A Car's Wheel Alignment?
Question 1
What Does A Car's Cruise Control Help A Driver Do?
Question 1
How Many Cylinders Does A Standard Four-Cylinder Engine Have?
Question 1
What Does It Mean When A Mechanic Says A Car Has A Leak?
Question 1
What Is The Purpose Of A Car's Mud Flaps?
Question 1
What Does A Car's Hazard Light Button Activate?
Question 1
What Is A Car's Sunroof Designed To Do?
Question 1
What Does It Mean When A Car Is Said To Be In Neutral?
Question 1
What Is The Purpose Of A Car's Door Seal?
Question 1
What Does A Car's Traction Control System Actually Do?
Question 1
What Is A Car's Engine Block Often Made From?
1
Battery Is Weak
2
Low Oil Pressure
3
Engine Overheating
4
Low Fuel Level
The oil warning light means your engine's oil pressure has dropped dangerously low — ignoring it can destroy an engine within minutes.
1
Boost The Power
2
Cool The Engine
3
Charge The Battery
4
Filter The Fuel
Radiators were first used in automobiles in the early 1900s and work by circulating coolant fluid to pull heat away from the engine.
1
Automatic Wheel Drift
2
Axle Weight Distribution
3
All-Wheel Drive
4
Advanced Wheel Design
AWD systems send power to all four wheels simultaneously, giving drivers better traction on slippery or uneven roads in any weather.
1
The Right Pedal
2
The Middle Pedal
3
The Left Pedal
4
The Top Pedal
In automatic cars the left pedal is the brake and the right pedal is the accelerator — no clutch pedal exists.
1
Motor Oil
2
Washer Fluid
3
Brake Fluid
4
Transmission Fluid
Windshield washer fluid contains a special antifreeze ingredient that keeps it from freezing on your glass in temperatures below 32°F.
1
It Is Overinflated
2
It Has Lost Air
3
It Needs Replacing
4
It Is Brand New
A flat tire loses air pressure due to a puncture or leak — driving even a short distance on a flat can permanently damage the wheel rim.
1
Cool The Engine
2
Control The Brakes
3
Filter Engine Oil
4
Charge The Battery
The alternator was introduced in production cars in the 1960s and continuously recharges your battery while the engine is running.
1
Tires Are Low
2
Fuel Is Fine
3
A Fault Code Has Been Stored
4
Oil Is Full
The check engine light triggers when the onboard computer logs a specific diagnostic fault code a mechanic can read with a scanner.
1
Starting The Engine
2
Filtering Engine Air
3
Steering The Wheels
4
Slowing The Car Down
Brake pads press against a metal disc called a rotor to create friction — most mechanics recommend replacing them every 25,000 to 65,000 miles.
1
Brakes Need Bleeding
2
Engine Needs Replacing
3
Old Oil Must Go
4
Tires Need Rotating
Engine oil breaks down over time and collects dirt — fresh oil keeps metal parts from grinding together, which is why regular changes extend engine life.
1
Replace A Flat Tire
2
Improve Fuel Economy
3
Balance The Vehicle
4
Extra Storage Space
Most spare tires are compact 'donuts' meant for short trips only — typically under 50 miles at reduced speed.
1
The Fuel Pump
2
The Rear Axle
3
The Front Wheels
4
The Transmission
The steering wheel connects through a column and rack-and-pinion system that physically turns your front wheels left or right.
1
Sounds An Alert
2
Starts The Engine
3
Locks The Doors
4
Flashes The Lights
Early car horns were hand-squeezed rubber bulbs — the electric horn we know today became standard in the early 1900s.
1
Charge The Battery
2
Power The Dashboard
3
Light The Road Ahead
4
Signal Other Drivers
Before sealed-beam headlights arrived in 1940, drivers had to replace the entire glass-and-filament unit as one piece.
1
Brake Fluid
2
Coolant
3
Motor Oil
4
Distilled Water
Traditional flooded-cell batteries use distilled water mixed with sulfuric acid — tap water minerals corrode the internal cells over time.
1
Shifts The Gears
2
Filters The Air
3
Stores The Fuel
4
Cools The Engine
The transmission transfers engine power to the wheels and lets you change speed without over-revving — automatic versions debuted in 1940 Oldsmobiles.
1
Keep Dirt Out Of The Engine
2
Clean The Exhaust Fumes
3
Cool The Passenger Cabin
4
Regulate Fuel Pressure
A clogged air filter can reduce fuel efficiency by up to 10 percent — most mechanics recommend replacing it every 15,000 to 30,000 miles.
1
Pause
2
Power
3
Park
4
Propel
Selecting Park locks a pin into the transmission gear, physically preventing the wheels from rolling even without the parking brake engaged.
1
Engine Heat
2
Engine Noise
3
Fuel Consumption
4
Exhaust Fumes
A muffler uses a series of chambers and baffles to cancel out sound waves — without one, most cars would be as loud as a small aircraft.
1
Verified Ignition Node
2
Vehicle ID Number
3
Visual Inspection Notice
4
Valve Index Notation
Every VIN has exactly 17 characters and encodes the car's country of origin, manufacturer, and model year — standardized worldwide since 1981.
1
Battery Life
2
Oil Pressure
3
Fuel Level
4
Engine Temp
The gas gauge uses a float inside the tank — when fuel drops, the float sinks and moves the needle toward E.
1
Hold The Door
2
Steady The Wheel
3
Protect The Driver
4
Support The Seat
Seat belts were made mandatory in U.S. cars starting in 1968 and are credited with saving over 374,000 lives per decade.
1
Tire Pressure
2
Engine Temperature
3
Fuel Injection
4
Cabin Air Flow
The thermostat is a small valve that opens once the engine warms up, letting coolant flow to prevent overheating.
1
The Frame
2
The Driveshaft
3
The Axle
4
The Chassis
Axles link two wheels on the same axis and transfer engine torque directly to the wheels to move the vehicle forward.
1
Hold The Engine
2
Cool The Brakes
3
Filter The Oil
4
Power Car Parts
One single serpentine belt runs the alternator, power steering pump, and air conditioning — replacing the multiple belts older cars used.
1
Filters Engine Air
2
Cleans Exhaust Fumes
3
Cools The Exhaust
4
Boosts Engine Power
Catalytic converters became required on U.S. cars in 1975 and convert toxic carbon monoxide into harmless carbon dioxide.
1
Coolant
2
Power Steering Fluid
3
Brake Fluid
4
Transmission Fluid
Power steering fluid creates hydraulic pressure that makes turning the wheel effortless — without it, steering becomes extremely stiff.
1
Fuel Level
2
Brake Fluid
3
Oil Level
4
Coolant Level
The dipstick has two marks — MIN and MAX — and checking it takes under a minute but can prevent thousands in engine damage.
1
Pressure Safety Index
2
Pneumatic System Input
3
Pump Speed Indicator
4
Pounds Per Square Inch
Most passenger car tires need between 32 and 35 PSI — tires lose about one PSI for every 10-degree drop in temperature.
1
Smooth Out The Ride
2
Slow The Car Down
3
Support The Engine
4
Steer The Front Wheels
Shock absorbers contain pressurized oil or gas that dampens the bounce from bumps — worn shocks can increase stopping distance by up to 20%.
1
Measures Fuel Level
2
Moves Gas To Engine
3
Cools The Fuel
4
Filters The Gas
Without a working fuel pump, gas never leaves the tank, so the engine simply starves and stalls.
1
Cools The Engine
2
Syncs Engine Parts
3
Drives The Alternator
4
Controls The Brakes
The timing belt keeps the crankshaft and camshaft perfectly in sync, and a snapped one can destroy an entire engine in seconds.
1
Coolant
2
Brake Fluid
3
Transmission Fluid
4
Power Steering Fluid
Brake fluid is specially formulated to handle extreme heat and transfers the pressure from your foot directly to the brake pads.
1
Adjusting The Brakes
2
Securing The Wheel
3
Holding The Hubcap
4
Tightening The Axle
Most cars use five lug nuts per wheel, and mechanics use a torque wrench to tighten them to a precise measurement so none loosen while driving.
1
Lubricates The Engine
2
Cleans The Radiator
3
Prevents Overheating
4
Powers The Fan
Coolant — also called antifreeze — was first widely used in World War I vehicles and works in both summer heat and winter freezes.
1
Cranks The Engine On
2
Controls The Ignition
3
Charges The Battery
4
Powers The Fuel Pump
The starter motor draws a huge burst of power from the battery to spin the engine just long enough for combustion to take over on its own.
1
Fuel Efficiency
2
Tire Pressure
3
Grip On The Road
4
Wheel Alignment
A quick way to check tread depth is the penny test — insert a penny into the groove, and if you can see Lincoln's full head, it's time for new tires.
1
Protect The Vents
2
Filter Engine Fumes
3
Cool The Dashboard
4
Clean Interior Air
Cabin air filters were not standard on most cars until the 1990s and trap pollen, dust, and even bacteria before air reaches passengers inside.
1
Front Wheels Power It
2
All Wheels Are Driven
3
Rear Wheels Steer It
4
Engine Sits In Back
Front-wheel drive became popular in the 1980s because it saves weight and gives better traction in rain and light snow for everyday drivers.
1
Hold The Car Still When Parked
2
Lock The Steering Wheel
3
Slow Highway Speed
4
Engage The Transmission
The parking brake locks the rear wheels mechanically to prevent rolling — it is a holding brake not designed for emergency stops at speed.
1
Alerts Other Drivers
2
Dims The Headlights
3
Locks The Doors
4
Activates The Wipers
Turn signals were first introduced on cars in the 1930s and are legally required in all 50 states today.
1
Block Sun Glare
2
Reduce Wind Noise
3
See Beside The Car
4
Reflect Headlights Back
Side mirrors became a standard safety requirement in the U.S. in 1968, replacing a single rearview mirror as the only option.
1
Fuel Remaining
2
Battery Charge Level
3
Engine Temperature
4
Total Miles Driven
The word odometer comes from the Greek word for road, and early versions were used on horse-drawn carriages centuries ago.
1
The Defroster Vents
2
The Sun Visor
3
The Wiper Blades
4
The Hood Latch
Mary Anderson invented the windshield wiper in 1903 and received a patent, though automakers initially doubted anyone would want one.
1
Brake Fluid
2
Antifreeze
3
Transmission Fluid
4
Power Steering Fluid
Antifreeze lowers the freezing point of engine coolant to below zero, preventing engine damage in cold winter temperatures.
1
Fuel Pressure
2
Tire Rotation
3
Engine Speed
4
Battery Voltage
RPM stands for Revolutions Per Minute and measures how fast the engine's crankshaft is spinning at any given moment.
1
Control The Brakes
2
Filter Engine Air
3
Store Extra Fuel
4
Protect Electrical Parts
A blown fuse acts like a deliberate weak link — it sacrifices itself to prevent a power surge from destroying expensive electrical components.
1
Miles Per Gallon
2
Engine RPM
3
Oil Pressure
4
Outside Temperature
The tachometer helps drivers avoid over-revving the engine, which can cause serious internal damage if the needle enters the red zone.
1
The Firewall
2
The Subframe
3
The Chassis
4
The Engine Block
The word chassis comes from French and Latin roots meaning frame — it is the skeleton every other car part bolts onto.
1
It Needs New Oil
2
It Has Low Fuel
3
It Is Too Hot Inside
4
It Has A Dead Battery
An overheating engine can warp metal parts within minutes — pulling over immediately can save thousands of dollars in repair costs.
1
Seal The Fuel Tank
2
Filter The Fuel
3
Vent The Engine
4
Measure The Gas
A loose or missing gas cap can trigger your check engine light and cause fuel to evaporate, lowering your mileage.
1
Warms The Engine
2
Melts Ice On Tires
3
Clears Foggy Windows
4
Heats The Seats
Rear defrosters use a thin grid of heated wires embedded directly in the glass, a feature first introduced in the 1960s.
1
Transmission Fluid
2
Brake Fluid
3
Coolant
4
Power Steering Fluid
Transmission fluid also acts as a coolant inside the gearbox, preventing heat damage during long drives.
1
Connect The Brakes
2
Absorb Road Bumps
3
Hold The Tire Air
4
Let Wheels Spin Freely
Worn wheel bearings often make a humming or grinding noise that gets louder as you speed up — a classic mechanic's clue.
1
The Brake Lines
2
The Radiator Fan
3
Electrical Systems
4
The Fuel Pump
A car battery typically lasts three to five years, and cold winters are the number one reason they fail ahead of schedule.
1
Transferring Power To Wheels
2
Controlling Brake Pressure
3
Regulating Fuel Flow
4
Filtering Engine Air
CV stands for Constant Velocity — these joints flex as the wheels turn and bounce while still delivering smooth power.
1
The Battery Needs Charging
2
Old Fluid Must Be Replaced
3
The Engine Needs Cleaning
4
A Filter Must Be Replaced
A flush drains and replaces degraded fluid — whether coolant, transmission, brake, or power steering — to prevent internal damage.
1
Support The Exhaust Pipe
2
Connect Steering To Wheels
3
Hold The Engine In Place
4
Link The Brake Pedal
Worn tie rods cause uneven tire wear and a wandering steering wheel — mechanics often spot them during a wheel alignment check.
1
Check Tire Pressure
2
Test Battery Voltage
3
Measure Engine Temperature
4
Tighten Bolts To Exact Specs
Over-tightening lug nuts without a torque wrench can warp brake rotors — torque wrenches click when the right tension is reached.
1
Remove Engine Gases
2
Regulate Fuel Injection
3
Control Cabin Pressure
4
Filter Exhaust Fumes
PCV stands for Positive Crankcase Ventilation — this small valve costs just a few dollars but a clogged one can ruin an engine over time.
1
Fuel Level
2
Engine Temperature
3
Current Speed
4
Total Miles
Speedometers became standard in American cars around 1910, replacing the need for drivers to guess their speed.
1
Hold Extra Fuel
2
Store Documents
3
Power The Radio
4
Cool The Cabin
The glove compartment got its name in the early 1900s when drivers stored leather driving gloves inside it.
1
Lift The Vehicle
2
Check The Oil
3
Tighten The Bolts
4
Charge The Battery
A scissor jack, the type found in most car trunks, can lift a vehicle using just a simple hand crank.
1
The Bumper Cover
2
The Spoiler
3
The Airbag
4
The Muffler
Airbags inflate in about 1/20th of a second — faster than the blink of an eye — to cushion the driver on impact.
1
Filter Cabin Air
2
Release Engine Gases
3
Cool The Engine
4
Reduce Engine Noise
Exhaust pipes direct harmful carbon monoxide gases away from the cabin, which is why running a car in a closed garage is so dangerous.
1
A Cracked Windshield
2
An Area You Cannot See
3
A Dim Headlight
4
A Broken Mirror
Blind spots exist because a car's pillars and roof block the driver's natural line of sight on both sides of the vehicle.
1
Cool The Dashboard
2
Block Glare From Light
3
Reduce Wind Noise
4
Support The Roof
Sun visors were first added to cars in the 1920s as windshields became larger and glare became a serious driving hazard.
1
Needing An Oil Change
2
Running Out Of Fuel
3
Running While Stopped
4
Overheating Quickly
Idling for more than 10 seconds actually uses more fuel than turning the engine off and restarting it.
1
Absorb Low-Speed Impact
2
Support The Hood
3
Improve Fuel Economy
4
Reduce Road Noise
US law requires bumpers to withstand a 5 mph crash without damage to safety systems, protecting drivers from costly repairs.
1
Adjust The Headlights
2
Check Tire Pressure
3
See Traffic Behind Them
4
Monitor Engine Temp
The rearview mirror was invented in 1911 by race car driver Ray Harroun, who used it to avoid needing a co-driver at Indianapolis.
1
The Rear Bumper
2
The Truck Bed
3
The Rear Door
4
The Tow Hitch
Pickup trucks got their hinged tailgates in the 1930s, replacing solid wooden rear panels that made loading cargo much harder.
1
Improve Low Visibility
2
Signal Other Drivers
3
Light The Interior
4
Replace Headlights
Fog lights aim downward toward the road surface, cutting under the fog layer rather than bouncing light back into the driver's eyes.
1
How Much It Can Pull
2
How Fast It Can Go
3
How Heavy The Car Is
4
How Much Fuel It Holds
Exceeding a vehicle's tow rating can overheat the transmission and strain the brakes, which is why manufacturers test and publish this number carefully.
1
Let Wheels Turn At Different Speeds
2
Absorb Road Vibration
3
Balance The Tire Pressure
4
Distribute Fuel Evenly
When a car turns a corner, the outer wheel must travel farther than the inner wheel, and the differential invented in 1827 makes that possible.
1
The Brakes Are Slipping
2
The Battery Is Dying
3
A Cylinder Isn't Igniting
4
The Fuel Tank Is Low
A misfiring engine often causes a noticeable shudder or jerk, and one bad spark plug is frequently all it takes to trigger the problem.
1
Regulate Fuel Pressure
2
Connect The Exhaust System
3
Keep The Doors Aligned
4
Support And Absorb Road Bumps
Struts are a structural part of the suspension system, meaning worn struts affect not just ride comfort but also your car's steering and alignment.
1
Holds The Brake Rotor
2
Squeezes The Brake Pads
3
Pumps The Brake Fluid
4
Releases The Parking Brake
Brake calipers work like a clamp, gripping a spinning disc called the rotor and creating the friction that slows your vehicle down.
1
How Much Weight It Can Carry
2
How Many Passengers It Seats
3
How Far It Can Travel
4
How Much Horsepower It Has
Payload includes passengers, cargo, and anything loaded into the vehicle, so a family of four already uses several hundred pounds of that limit.
1
Regulates The Cooling Fan
2
Keeps Engine Parts In Sync
3
Controls The Fuel Injectors
4
Connects The Transmission
Unlike a rubber timing belt, a timing chain is made of metal links and can last the life of the engine if the oil is changed regularly.
1
Rotate The Tires Evenly
2
Tighten The Lug Nuts
3
Keep Tires Pointing Straight
4
Balance The Tire Pressure
Hitting a single large pothole can knock a car's alignment off, causing uneven tire wear that quietly costs drivers hundreds of dollars in early replacements.
1
Maintain A Set Speed
2
Brake On Its Own
3
Steer Automatically
4
Shift Gears Faster
Cruise control was invented in 1948 by Ralph Teetor, a blind engineer who was inspired by his driver's uneven speed.
1
Eight
2
Two
3
Four
4
Six
Four-cylinder engines became dominant in economy cars during the 1970s fuel crisis because they deliver better mileage than larger engines.
1
A Hose Is Loose
2
Air Is Getting In
3
The Engine Is Hot
4
Fluid Is Escaping
Oil leaks are the most common type, and even a slow drip can cause serious engine damage if left unchecked for months.
1
Block Road Debris
2
Reduce Wind Noise
3
Support The Bumper
4
Cover The Exhaust
Mud flaps protect other vehicles from rocks and debris kicked up by your tires, and many states legally require them on trucks.
1
All Turn Signals At Once
2
The Brake Lights Only
3
The Headlights Only
4
The Interior Dome Light
Hazard lights flash all four turn signals simultaneously and were first introduced as a standard safety feature in 1967 in the U.S.
1
Reduce Road Noise
2
Improve Fuel Economy
3
Strengthen The Roof
4
Let In Air And Light
The first factory-installed sunroof appeared on a 1937 Nash, decades before they became a popular luxury feature in the 1970s.
1
The Engine Is Off
2
The Brakes Are Locked
3
No Gear Is Engaged
4
The Car Is In Park
In neutral the engine runs but power is disconnected from the wheels, which is why the car can roll freely on a slope.
1
Hold The Door Hinges
2
Protect The Door Lock
3
Keep Out Water And Wind
4
Support The Window Glass
Door seals are made of rubber and can dry out over time, causing wind noise and water leaks that are inexpensive to fix.
1
Prevents Wheels From Spinning
2
Assists With Steering
3
Monitors Tire Pressure
4
Controls Engine Temperature
Traction control senses when a wheel spins too fast on slippery roads and automatically reduces engine power to restore grip.
1
Reinforced Plastic
2
Carbon Fiber
3
Cast Iron Or Aluminum
4
Stainless Steel
Aluminum engine blocks became popular in the 1990s because they weigh about 40 percent less than cast iron, improving fuel efficiency.
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