See also:

Up and Done buttons
Models without Hands-free system Models with Hands-free system ...

Photosensors
Photosensors The mirror has a photosensor attached on both the front and back sides. If the glare from the headlights of vehicles behind you strikes the mirror, these sensors detect it an ...

If steam is coming from the engine compartment
Turn off the engine and get everyone away from the vehicle until it cools down. ...