See also:

Charging the battery
In the vehicle, only charge the battery via the terminals in the engine compartment, with the engine switched off. ...

Fuel quality
Refuel with unleaded fuel only Do not use leaded fuel as this would permanently damage the catalytic converter. Do not refuel with ethanol Do not refuel with E85, i.e., fuel with an ethanol c ...

Long-term vehicle storage
Your service center can advise you on what to consider when storing the vehicle for longer than three months. ...