See also:

Cleaning the sensors
Location of the front sensors Location of the rear sensors The sensors must be cleaned regularly to ensure that they work properly. Clean them with water and a suitable car washing detergent. ...

If the BRAKE and ABS warning lights comeon at the same time, this could indicate afault in the brake system.
• Stop the vehicle in a suitable place and switch off the engine. • Restart the engine. • If both warning lights go off, no further action is required. • If both lights are still on after the eng ...

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 ...