See also:

RDS sytem
Using the RDS (radio data system) function on FM The majority of FM radio stations use the RDS system. The radio in your vehicle has this system. The RDS system enables these stations to transmit n ...

Engines and gearboxes
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Emergency control
System which locks or unlocks the doors mechanically in the event of a malfunction of the battery or of the central locking. Locking the driver's door Insert the key in the lock, then turn it to ...