Reading Lamps
For vehicles with reading lamps in the overhead console, press the button located next to the lamp to turn it on or off.
The vehicle may also have reading lamps in other locations. To turn the lamps on or off, press the button located next to the lamp.
For more information about interior lamps, see:
• Dome Lamps on page 6‑8.
• Reading Lamps on page 6‑9.
• Instrument Panel Illumination Control on page 6‑8.
See also:
Automatic Transmission Shift Lock Control Function Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before starting this check, be sure there is enough room aroun ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...
Compass Zone Setting
This display allows for setting the compass zone. See Compass on page 5‑6 for more information. ...





