47 terms

Drivers Ed Module 9 Critical Vehicle Systems


Terms in this set (...)

indicates speed in both miles and kilometers per hour.
indicates the engine rotation in revolutions per minute (RPMs).
indicates the total number of miles your car has been driven since it was manufactured.
Fuel gauge
shows the fuel level in your car's fuel tank.
Oil gauge
shows oil level.
Warning lights are provided on your car's instrument panel. They light up in case of a serious problem. The three kinds of warning lights:
Oil Pressure Warning Light
Temperature Warning Light
Battery Low Warning Light
Oil Pressure Warning Light:
light goes on when the engine oil is not circulating at the required pressure. Some vehicles have an oil pressure gauge that reads LOW when the engine's oil pressure drops.
If you see an oil pressure warning while driving, what should you do?
STOP immediately at a safe place and turn off the engine.
Temperature Warning Light/Gauge
activates when the engine temperature or the radiator's coolant is too hot. In some vehicles, a needle gauge indicates the temperature rising in the warning zone of HOT.
If this warning light (Temp. Warning Light/Gauge) goes on while you are driving, what do you do?
STOP as soon as possible at a safe place and shut the engine off.
Why should you never remove the radiator cap to the coolant level when engine is hot?
The coolant is at boiling temperature and under pressure. If the cap is released, the hot coolant will release with pressure and can cause severe burns if you are standing too close.
Battery Low Warning Light:
Light goes on or the battery gauge reads LOW, the power needed for your car starter is limited.
Steering wheel
Located directly in front of the driver's seat. Turning the steering wheel transmits force, which turns the wheels to determine the direction of travel. Whichever way you turn the steering wheel, left or right, is the direction your car will travel.
Located either on the side of the steering column or on the dashboard. It is a multifunction switch, into which you insert your key and turn to energize the electrical circuits and activate your starter m
The three notches of the ignition:
The first position, which is closest to you, is the off position. The second position causes the dashboard instruments to activate. The final position starts your engine.
Far-right pedal located on the floor under the steering wheel. This pedal controls the amount of gas being fed to the engine, which determines the speed of the vehicle.
With your heel resting on the ground, use your right foot to push the accelerator.
Do not rev the engine. Push the accelerator gradually while your car speeds up.
Brake pedal
Located on the floor to the left of the accelerator. When pressed, it applies the brakes, causing the vehicle to slow down and/or stop. You must use your right foot (heel on ground) to press the pedal and cause the brakes to engage. If your vehicle has standard brakes, the pedal will move a little bit before it resists. If you have power brakes, you do not need to apply as much pressure on the pedal to bring the car to a stop.
Either a lever protruding from the right side of the steering column or a lever on the floor to the right of the driver. The gearshift changes gears to maintain proper speed. It immobilizes the power train when parked.
Clutch pedal
Found only in cars with manual transmission. The clutch pedal is located on the floor to the left of the brake pedal. When pressed, it disengages the clutch which eliminates the transmission of power from the engine to the transmission. When released, it smoothly applies power through to the transmission. The clutch must be operated with your left foot, again, with your heel resting on the ground.
Horn, Beep Beep
located in a pad at the center of your steering wheel, but in some cars you'll find it as a button on the steering wheel, on the dash, or on the signal lever. Make sure your horn is fully functioning and can be heard at a distance of 200 ft.
Rear view and side mirrors
Make sure your mirrors are properly adjusted before driving. The rear view mirror is located at the top center of your windshield. It is rectangle-shaped and allows you to see what is happening behind you. You must be able to view the highway at least 200 ft to the rear.
Side View Mirrors
Before driving, adjust both the rearview and side view mirrors. The side mirrors must be adjusted manually or, in cars with electric controls, using switches located on the left side of the dashboard, the driver's arm rest, or the center console. For added safety, use the rearview mirror as the primary mirror and direct the side mirrors to show more of the sides to decrease your blind spots. To improve your view when leaving a curb, you may need to move your head towards the window
why are Lights are important?
-they allow you to see your surroundings
-give others a way to see you
-indicate to other road users your next move.

Cars are required to have certain lighting fixtures, and these generally have luminosity regulations. Make sure that your vehicle has these fixtures in place and that they are fully functional.
Vehicles must be equipped with ______?
low-beam as well as high-beam headlights.
Low-beams must be turned on _________?
when it gets dark or in any moment of low visibility due to bad weather.
High-beam headlights (bright lights)
Objects 450 ft ahead should be visible with use. To be used when visibility is low. *However, you must not use high-beams in fog, as they only reflect the dampened air and blind other drivers.*
Low-beam headlights
must show objects 150 ft ahead.
Two red taillights mounted on the rear
must be visible from 1000 ft.
A white light that _____?
illuminates the license plate and makes it visible from 50 ft.
Two red stop/brake lights
should activate when the brake is pressed and be seen from 300 ft in the day.
The Department of Highway Safety and Motor Vehicles lists the following requirements for lighting on vehicles:
-All vehicles must have at least one white light in front that is visible from at least 1,000 ft away.

-All vehicles must have two red lights at the rear that are visible from at least 1,000 ft away, or one red light at the rear visible from 1,000 ft and two red reflectors visible from 600 to 1,000 ft.
Hazard lights
To warn other drivers of a problem or increase their awareness of your vehicle in an emergency, press this button to turn on your hazard lights. When activated, both front and rear turn signal lights will flash, alerting others so that they can safely make adjustments to their driving. This switch is usually found on the dashboard or on the top side of the steering column.
allow you to see in rain or snowfall. Functioning windshield wipers are critical in bad driving conditions.
Windshield Wipers
The windshield wiper lever is usually found on the right of the steering column. Turn the end of the lever to set the speed of your wipers. You can also spray washer fluid to clean the windshield by pushing on this lever.
Door Locks
The doors of cars with manual locks must each be locked or unlocked individually. In cars with electric locks, an additional master control is typically located on the driver-side arm rest; these cars also usually include a locking mechanism found on the key fob. In addition, many cars include child-safety locks that will prevent a child from unlocking a door accidentally.
To activate your car's horn, you must generally press the pad on the center of your steering wheel or a button on the cross bar. The location of the horn is usually marked with a horn symbol. Always use your horn in a courteous way.
Temperature Controls
Use the Heating, Ventilation, and Air Conditioning (HVAC) controls located on the front instrument panel to set a comfortable internal temperature for your car. These controls also control your defrosters, enabling you to make sure your windows remain clear in cold or foggy weather. In some cars, the rear window defroster can be set using a separate switch.
Hood Release
The lever to open the hood is typically located on the left side of the driver's compartment under the instrument panel, though it is sometimes found under or just to the right of the steering column. A second latch at the front of the car must be released manually to open the hood.
Seat Adjustment
Always make sure you're in the ideal position for controlling your car. In cars with manual seat adjustment controls, an adjustment lever to move the seat forwards or back is typically found at the lower front or right side of the driver's seat, while the angle of the seat back can be adjusted with a lever or knob on the left side of the seat. Many modern cars have electric power seats, which can be adjusted using controls found on the lower left side of the driver's seat or in a control cluster on the driver's door.
Trunk Release
In some vehicles, you must use a lever found on the floor to the left of the driver's seat to open the trunk; in others, the release mechanism is a button located in the glove box or in a central compartment to the right of the driver's seat. There is also a trunk release button on the key fobs of most modern cars.
Vehicle Lights
Activate your headlights by turning the knob on the multifunction lever, and switch between low- and high-beams by pushing the lever towards you or away from you. You can also frequently find controls for the parking lights and fog lights on this lever, while the interior lights and dashboard lights are usually operated by a switch on the dashboard panel. No matter the time of day, you should activate your headlights whenever the vehicle is moving. For added safety, many vehicles are equipped with daytime running headlights.
Turn Signals
The turn signals of your car are operated with the multifunction lever on the left side of the steering column. To use the right or left turn signal, push the lever up or down, respectively. When clicked in place, the signal will blink until the turn is complete. However, when making a slight move, such as changing lanes, the driver may have to cancel the signal manually. When changing lanes, move the lever halfway up or down while your thumb remains hooked on the steering wheel. Release the lever as you enter the next lane
Fuel Door Release
Consult your owner's manual: in your car it could be to the left of the driver's seat or under the steering wheel to the left. After using this lever to open the fuel door, you must unscrew the fuel cap from the gas tank in order to refuel.
Head Restraints
All new vehicles are equipped with head restraints that help reduce whiplash injuries in rear-end collisions. The purpose of the headrest is to decrease the chance of a neck injury in a crash, not to let you recline as you drive. Some cars are equipped with head restraints that can be adjusted up or down. To avoid serious neck injury, the safest position for your headrest is at ear level.
Safety Belts
To ensure you remain safe and in control, fasten your seat belt securely every trip, every time. Not only do safety belts protect occupants during collisions, but they also keep the driver firmly in place, allowing better control of the car. Increase your safety by positioning your belt below your jacket, coat, or sweater and as low on the hips or thighs as possible. Once it's secured, grasp the shoulder belt and pull upwards to take up the slack in the belt. Remember your responsibility to make sure your passengers buckle up too.
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