See also:

General information
Portable electronic devices in the vehicle may seriously impair radio reception. ...

Deactivating/activating ESP®
Observe the "Important safety notes" section. WARNING   ESP® should not be deactivated during normal driving other than in the circumstances described below. Disabling the s ...

Checking the tire pressures
Important safety notes WARNING   Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling ...