See also:

Deactivating/activating PARKTRONIC
To deactivate/activate PARKTRONIC Indicator lamp If indicator lamp 2 lights up, PARKTRONIC is deactivated. PARKTRONIC is automatically activated when you turn the SmartKey to position ...

Back button
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Override feature for the rear sidewindows
WARNING   When children ride on the vehicle's rear seats, activate the override switch. Otherwise, the children could be injured, e.g. by trapping themselves in the rear side window. ...