See also:

Switching BLIS on and off
BLIS is automatically activated when the ignition is switched on. The indicator lights will provide confirmation by flashing 3 times. The system can be switched off by pressing the BLIS button ...

Engine and cooling system
Under special conditions, for example when driving in hilly terrain, extreme heat or with heavy loads, there is a risk that the engine and cooling system will overheat. Proceed as follows to a ...

Climate system blower
The climate system blower will be automatically switched off when the engine is not running (even if the ignition key is in position I or II) to avoid unnecessary battery drain. To activate the bl ...