Run-Off Control Basic Function - GF42.20-P-1006A

Model All (4xWD, CAR) 

Overview 

This document contains information on:

• General 
• Function requirements 
• Function 

General 

The roll-away protection function prevents the electric parking brake from being released inadvertently when the ignition is switched off.

It is not possible to release the electric parking brake when the roll-away protection is activated and the ignition is off.

Function requirements 

• Ignition OFF (circuit 15 OFF)
• Electric parking brake locked

Function 

If the electric parking brake switch is operated, there is no actuation for releasing the left and right electric parking brake actuator motors.