ABS prevents locking of the wheels during braking.
The vehicle contains its steering power even during full brake applications, thus increasing active safety.
ABS is operational every time you start the engine.
Brake assistant
When you apply the brakes rapidly, this system automatically produces the greatest possible braking force boost. It reduces the braking distance to a minimum during emergency stop.
This system utilizes all of the benefits provided by ABS.
Do not reduce the pressure on the brake pedal for the duration of the emergency stop.
BMW X3 Service & Repair Manual > Maintenance service reminder: Maintenance service reminder reset - procedure 2
Reset service light by performing the following:
1. Ignition key must be in OFF position.
2. Press and hold trip odometer reset button in the instrument cluster (left button), and turn ignition key to
first position.
3. Keep the button pressed for approximately 5 seconds until one of the fol ...