OnStar Overview
EmergencyTire Pressure Monitor
This vehicle may have a Tire Pressure Monitor System (TPMS).
The low tire pressure warning light
alerts to a significant loss in pressure of one of the vehicle's tires. If the warning
light comes on, stop as soon as possible and inflate the tires to the recommended
pressure shown on the T ...
Menu System
Controls
The MENU/TUNE knob and BACK button
are used to navigate the menu system.
MENU/TUNE Knob:
Turn to:
Highlight a menu option.
Select a value.
Press to:
Enter the menu system.
Select or activate the highlighted menu option.
Confirm a set value.
Turn a system setting on ...
Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps
Stoplamp/Taillamp
Turn Signal Lamp/Taillamp
Back-up Lamp
To replace a taillamp, turn signal lamp, stoplamp, or back-up bulb:
Open the liftgate. See Liftgate on page 2-8.
Remove the two screws and the lamp assembly.
Turn the bulb socket counterclockwise and remove the so ...