Automatic Dimming Feature
The vehicle may have an automatic dimming driver outside mirror.
Automatic dimming reduces the glare of the headlamps behind you.
See Power Mirrors.
See also:
Outside Heated Mirrors
For vehicles with heated mirrors:
(Rear Window Defogger): Press
to heat the
mirrors.
See “Rear Window Defogger” under Climate Control
System or Dual Automatic Climate Control
System for ...
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...
Safety System Check
Now and then, check that the safety
belt reminder light, safety belts,
buckles, latch plates, retractors, and
anchorages are all working properly.
Look for any other loose or
damaged safety b ...