Fuel injection amount learning process (diesel-powered vehicles)
To keep exhaust emissions and engine noise low, the engine very occasionally performs a learning process for the fuel injection amount.
The engine sounds slightly different from usual while the learning process is taking place. The change in the engine sound does not indicate a fault.
See also:
Manual mode
The manual adjustment mode is also available in case the “Auto mode” shows the
incorrect time when the adjacent local RDS stations are located in a different time
zone.
For manual time adjust ...
Tyre chains
If tyre chains have to be used, ensure that they are fitted only on the front
wheels. Use only tyre chains which are designed for use with the tyres mounted on
the vehicle: use of the incorrect si ...
To operate without using the keyless operation function
Emergency key
The emergency key is built into the keyless operation key. If the keyless operation
function cannot be used, for example because the keyless operation key battery has
worn out or th ...