See also:

Service menu
In the Serv. menu you can:  - call up display messages  - restart the tire pressure loss warning system (Canada only) Rcheck the tire pressure electronically  - call up the ...

System self-test
If an adult occupant is properly sitting on the passenger seat and the OCS classifies the occupant as an adult, the indicator lamp illuminates and goes out again after approximately 6 seconds ...

Driving with summer tires
At temperatures below 45 ‡ (+7 †), the elasticity of summer tires and therefore also traction and braking capability are reduced considerably — equip your vehicle with M+S tires. Using summer tire ...