See also:

Coolant level
Checking 1. Let the engine cool. 2. Turn the cap of the expansion tank slightly counterclockwise to allow any excess pressure to dissipate, and then open it. 3. The coolant level is correct if ...

Activation/deactivation
Press the button. ...

Supplementary text messages
Additional information on the Control Display, e.g., on the cause of a malfunction or the required action, can be called up via Check Control. The text of urgent messages is displayed automatica ...