Tire pressure
This is pressure inside the tire applying an outward force to each square inch of the tire's surface. The tire pressure is specified in pounds per square inch (psi), in kilopascal (kPa) or in bar. The tire pressure should only be corrected when the tires are cold.
See also:
Problems with the rear window defroster
The rear window defroster has deactivated itself prematurely or cannot be activated.
Switch off any consumers that are not required, e.g. reading lamps or
interior lighting.
When the battery ...
Important notes
This section provides detailed information on the following topics:
• selecting a channel and program category
• memory functions
• sound settings
The satellite radio mode described below
...
Activating/deactivating PRE-SAFE®
Brake
PRE-SAFE® Brake is only available in vehicles
with DISTRONIC PLUS.
•► Press the button on the
steering wheel to select the DriveAssist
menu.
•► Press to select PRE-SAFE
Brake.
...