Mirrors; Automatic Dimming Rearview Mirror With Onstar - GMC 2007 Yukon XL Owner's Manual

CAUTION:
{
Four-wheel drive vehicles with the transfer
case in NEUTRAL will allow the vehicle to
roll, even if your shift lever is in PARK (P).
So, be sure the transfer case is in a drive
gear — not in NEUTRAL. Always set your
parking brake.
Follow the proper steps to be sure your vehicle
will not move. See Shifting Into Park (P) on
page 152.
If you are pulling a trailer, see Towing a Trailer
on page 405.

Mirrors

Automatic Dimming Rearview Mirror
®
with OnStar , Compass and
Temperature Display
Your vehicle may have this feature. When on, the
automatic dimming mirror dims to the proper level
to minimize glare from lights behind you after dark.
The mirror has a dual display in the upper right
corner of the mirror face that shows the compass
reading and the outside temperature.
Control buttons for the OnStar
bottom of the mirror. See OnStar
page 167 for more information about the services
®
OnStar provides.
(On/Off): This is the on/off button.
P
®
system are at the
®
System on
157