See also:

Troubleshooting guide
The system should respond correctly to all voice commands without difficulty. If problems are encountered, try the following solutions. Where the solutions are listed by number, try each solution ...

Tow mode switch
Tow mode should be used when pulling a heavy trailer or hauling a heavy load. Driving the vehicle in the tow mode with no trailer/load or light trailer/light load will not cause any damage. Howev ...

Ventilators
Side ventilators Side ventilators Open or close, and adjust the air flow direction of ventilators as illustrated. ...