Fuel quality

Do not use leaded fuel as this would permanently Refuel with unleaded fuel only

Do not use leaded fuel as this would permanently damage the catalytic converter.

Do not refuel with E85, i.e., fuel with an Do not refuel with ethanol

Do not refuel with E85, i.e., fuel with an ethanol content of 85 %, or with Flex Fuel, as this would damage the engine and fuel supply system.

See also:

Engine specifications
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Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Switching off automatically
The system switches off and the LED goes out: After approx. 160 ft/50 m when driving forward. Above approx. 22 mph/36 km/h when driving forward. Switch on the system again if necessary. ...