parking sensors GMC SIERRA 2008 Get To Know Guide

the rear window.
Press and hold thefront of the switchto close the rear
window.
See Section 1 of your
Owner Manual.
Getting to Know Your Sierra18
Open:From the vent position, press and
hold the rear of the switch to open thesunroof.
Close:Press and hold the front of the
switch to close the sunroof.
Crew Cab
The power
sunroof switches, located onthe overheadconsole,include these features:
Vent:From the closed position, press
the rear of the passengerside switch tovent the sunroof.
To close the sunroof, press and hold the
front of the passengerside switch.
ManualOpen/ManualClose:To partial
ly open the sunroof, press and hold therear of the driverside switch until thesunroof reaches the desired position.Press and hold the front of the driverside switch to close it.
ExpressOpen/ExpressClose:To
expressopen the sunroof, fully press
and release the rear of the driversideswitch. Fully press and release the frontof the driverside switch to expressclose the sunroof. Press the switchagain to stop it.
See Section 2 of your Owner Manual.
Power Sliding Rear Window
(if equipped)
The power sliding rear window switch is
located on the overhead console. Pressand hold the rear of the switch to open
This feature uses ultrasonic sensors
on the rear bumpers to help you avoidcolliding with objects when parking thevehicle. It operates only at speeds lessthan 5 mph.
The rear parking assist display is
located near the rear window on thepassenger side. The lights on the
display provide
distance information. Lowtonedbeeps play out ofthe speakers (forobjects near therear bumper).
To turn off the
system, press the (Rear Parking
Assist) disable button, located below the
climate controls on the instrument panel.The indicator light will illuminate when
the system is off.
See Section 3 of your Owner Manual.
Ultrasonic Rear Parking Assist
(if equipped)
Note: The Ultrasonic Rear Parking
Assist (URPA) system will not activate
if you have a trailer hitch and trailerattached to your vehicle, or a bicycle orother object was hanging out of your
vehicle, when you last turned off thevehicle. Removing the attached orhanging objects and driving the vehicleforward above 15 mph will restore the
URPA system to normal operation.
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