See also:

Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. If this occur ...

Interior and exterior mirrors, automatic dimming feature
Interior and exterior mirrors, automatic dimming feature Two photocells are used for control: ▷ In the mirror glass, see arrow. ▷ On the back of the mirror. For proper operation: ...

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. ...