See also:

System self-test
After you have switched on the ignition, the system carries out a self-diagnosis. WARNING A malfunction in the system has been detected if one of the following conditions occurs: - the indic ...

Towing a vehicle with both axles on the ground
When having your vehicle towed, observe the important safety notes. WARNING The power assistance for the steering and the brake force booster do not work when the engine is not running. You w ...

Treadwear indicators
Narrow bars (tread wear bars) that are distributed over the tire tread. If the tire tread is level with the bars, the wear limit of 1/16 in (1.6 mm) has been reached. ...