Displays and operation

See also:

Problems with the SmartKey
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Driving with summer tires
At temperatures below 45 ‡ (+7 †), summer tires lose elasticity and therefore traction and braking power. Change the tires on your vehicle to M+S tires. Using summer tires at very cold temperature ...

Activating/deactivating airrecirculation mode
WARNING Fogged windows impair visibility, endangering you and others. If the windows begin to fog on the inside, switching off the air recirculation mode immediately should clear interior window ...