See also:

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning me ...

Problems with the SmartKey
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High-beam flasher
•► To switch on: turn the SmartKey in the ignition lock to position 1 or 2 or start the engine. •► Pull the combination switch in the direction of arrow 3. ...