See also:

Introduction
Two remote keys or optional Personal Car Communicators (PCC) are provided with your vehicle. They enable you to unlock the doors and trunk, and also function as ignition keys to start the vehicle ...

Activation
PAC is activated when the gear selector is moved to R if the system is selected in the MY CAR menu system or by pressing the CAM button in the center console. See page 133 for a description of t ...

Replacing the battery
1. Switch off the ignition. 2. Wait at least 5 minutes after switching off the ignition before disconnecting the battery so that all information in the vehicle's electrical system can be stored ...