Questions and Answers
What does ABS stand for?
If the ABS light stays on long after starting the car, it indicates the ABS is not working.
True
What are the two types of ABS?
4 wheel and rear wheel anti-lock brakes
The 4 wheel ABS uses sensors to detect if a wheel is locking and then __________ brakes.
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What is the proper action during a regular emergency stop?
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ABS pumps the brakes at a slower rate in emergencies.
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In an emergency, do NOT turn or __________ the wheel hard.
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What should you do in an emergency with your control of the vehicle?
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Where is rear wheel anti-lock braking only found?
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Removing steady pressure and pumping brakes __________ ABS.
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Study Notes
ABS Overview
- ABS stands for Anti-lock Braking System, designed to prevent wheel lock-up during braking and allow steering during emergencies.
- Engages when a wheel is about to lock, rapidly pumping brakes to maintain traction and control.
Non-Functioning ABS
- A persistent ABS warning light indicates a malfunction; it should not remain illuminated after starting the vehicle.
Types of ABS
- Two main types of ABS:
- Four-wheel ABS, common in most vehicles.
- Rear-wheel ABS, typically found in select light trucks.
Four-Wheel ABS Functionality
- Activates when detecting wheel lock, automatically regulating brake pressure.
- Drivers only need to apply hard braking while steering as needed.
Regular Emergency Braking
- In non-ABS vehicles, perform a pump-braking technique to avoid skidding.
ABS Performance in Emergencies
- ABS enhances braking responsiveness, automatically pumping brakes faster than a driver could manually.
Steering During Emergencies
- Avoid sudden or hard jerking of the steering wheel; it can compromise control.
Recommended Actions in Emergencies
- Maintain a steady grip on the steering wheel, ensuring control over the vehicle.
- Assess traffic conditions and, once stable, steer back into your lane.
Rear-Wheel Anti-Lock Functionality
- Specifically designed for certain light trucks; requires a little release of brake pressure to prevent front wheel locking and allow rolling.
Disengaging ABS
- Removing steady brake pressure and pumping the brakes manually can deactivate the ABS feature.
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Description
Explore the comprehensive features and types of Anti-lock Braking Systems (ABS), including their roles in emergency braking and vehicle safety. Understand the differences between four-wheel and rear-wheel ABS and learn how they improve traction during critical driving situations.
