Tone
See also:
Checking the coolant level
1. Do not open the hood until the engine has
cooled down.
2. Turn the expansion tank cap counterclockwise
slightly to allow any accumulated pressure
to escape; then continue turning to
open.
...
A host of active safety systems reduce the risk of accidents
A selection of electronic assistance systems make an active contribution to
driving safety in the new BMW 3-Series, helping drivers to avoid collisions in
the first place. The functions of the mai ...
Interior rearview mirror, automatic dimming feature
The concept
The concept
Photocells are used for control:
▷ In the mirror glass.
▷ On the back of the mirror.
Functional requirement
For proper operation:
▷ Keep the photocel ...
