Interior Lighting
Courtesy Lamps
When any door is opened, the interior lamps turn on to
enter and exit the vehicle. Turn the instrument panel
brightness control 
located on the
left side of
the steering wheel, completely clockwise to manually
turn on these lamps.
Front Reading Lamps
The front reading lamps are located on the headliner.
Press the button near each lamp to turn them on or off.
For more information on interior lighting, see:
• Courtesy Lamps.
• Instrument Panel Brightness.
• Delayed Entry Lighting.
• Delayed Exit Lighting.
See also:
Front Axle
When to Check Lubricant
It is not necessary to regularly check front axle
fluid unless you suspect there is a leak or you hear
an unusual noise. A fluid loss could indicate a
problem. Have it insp ...
Storing Name Tags
The system can store up to 30 phone numbers as name tags that are shared between the Bluetooth and OnStar systems.
The system uses the following commands to store and retrieve phone numbers:
► ...
Exit Lighting
The headlamps, taillamps, parking
lamps, back-up lamps, and license
plate lamps come on at night, or in
areas with limited lighting, when the
key is removed from the ignition.
The dome lamps ...