Definition
The Anti-lock Braking System (ABS) prevents the wheels from locking under heavy braking. By avoiding lock-up, the driver retains steering control and can swerve to avoid obstacles while braking at full force.
Key facts
- Mandatory on every car sold in the EU since 2004.
- Doesn't always shorten braking distance, but improves directional control.
- Press the brake pedal hard and hold it; do not pump.
Practice real questions on this topic
Free DGT 2026 test with exam-style questions and explanations. No signup. Or explore the free DGT test in English hub for everything in one place.
In the DGT exam
- In a car’s conventional hydraulic brakes, which of these situations is NOT a usual cause of reduced effectiveness?
- What use of the brakes can cause them to overheat?
- If a vehicle’s brakes get wet, what can happen?