See also:

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

Switching off automatically
The system switches off and the LED goes out: After approx. 33 ft/10 m when driving forward. Above approx. 9 mph/15 km/h when driving forward. Switch on the system again if necessary. ...

Disposing of old batteries
Have old batteries disposed of by your service center or bring them to a recycling center. Maintain the battery in an upright position for transport and storage. Secure the battery so that ...