See also:

Telephone
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Functional readiness of the airbagsystem
When the ignition is switch on, the warning lamp in the instrument cluster lights up briefly and thereby indicates the operational readiness of the entire airbag system and the belt tensioner. ...

Preventing an automatic engine stop with automatic transmission
The concept To make it possible to drive away very quickly, such as at an intersection, the automatic engine stop can be actively prevented. Preventing an engine stop using the brake pedal Th ...