See also:

Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. ...

Notes
Working in the engine compartment Never attempt to perform any service or repair operations on your vehicle without the necessary professional technical training. If you are unfamiliar with t ...

After the ignition is switched off
The roof can still be operated for approx. 1 minute, as long as no door has been opened. ...