See also:

Reverse ®)
The vehicle must be stationary when position R is selected. ...

Operation
Chassis settings Use the buttons in the center console to change setting. The setting in use when the engine is switched off is activated the next time the engine is started. ...

Power brakes function only when theengine is running
The power brakes utilize vacuum pressure which is only created when the engine is running. Never let the vehicle roll to a stop with the engine switched off. If the power brakes are not workin ...