See also:

Photosensors
The mirror has a photosensor attached on both the front and back sides. During nighttime driving, these sensors detect distracting glare from vehicle headlights behind you and automatically dim ...

Passive arming
When passive arming mode has been programmed by the dealer, arming of the system is automatically accomplished without using the remote transmitter. Note that in this mode, DOORS MUST BE MANUALLY LOCK ...

Auto-dimming function
The auto-dimming function is an anti-glare capability which automatically reduces glare coming from headlights of vehicles behind you. By pressing the power button, the autodimming function is togg ...