GMC 2006 Sierra Hybrid, Getting To Know Manual, Page: 4 / 20

A chime will sound and the safety belt
light ( ) will be illuminated and flash
for several seconds when the ignition
key is turned to Run or Start, or at
any time the vehicle is running, and the
driver’s safety belt is not buckled.
If your vehicle is equipped with the
Passenger Sensing System, the chime
will sound and a message will be dis-
played on the Driver Information Center
for several seconds if the passenger’s
safety belt is not buckled under the
same conditions.
See Section 3 of your Owner Manual.
Getting to Know Your Silverado/Sierra Hybrid
4
Passenger Automatic Locking
Restraint (ALR)
Automatic Dimming Rearview
Mirror with OnStar
®
, Compass
and Temperature Display
(if equipped)
Controls for the dimming feature, as well
as OnStar
®
(if equipped) and the com-
pass and temperature displays, are
located on the bottom of the mirror.
When on, the automatic interior dimming
rearview mirror dims to the proper level
to minimize glare from lights behind you
when it’s dark outside.
Turn the self-dimming function
on or off
• Press and hold for approximately
eight seconds.
Use the OnStar system
• Press to connect to an OnStar
®
Advisor.
Power Lumbar Front Seats
(if equipped)
Adjust lumbar
support
• Press the
front or rear
of the two-
way lumbar
control
located on the side of the seat cush-
ion near the door. Release at the pre-
ferred setting.
See Section 1 of your Owner Manual.
The safety belt is designed to lock dur-
ing an accident, but it will also lock if it is
pulled out all the way during initial buck-
ling, and you may be unaware that this
has happened. If the safety belt does
lock, unbuckle it and allow it to retract
fully; then pull it out and rebuckle the
belt.
See Section 1 of your Owner Manual.
Driver and Front Passenger
Safety Belt Reminder
(if equipped)