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. The lamps cannot be adjusted.
For more information about interior lamps, see:
- Dome Lamps .
- Reading Lamps .
- Instrument Panel Illumination Control .
See also:
Security
OnStar provides services like Stolen
Vehicle Assistance, Remote Ignition
Block, and Roadside Assistance,
if the vehicle is equipped with these
services. OnStar can unlock the
vehicle doors r ...
Compass Calibration Procedure
1. Before calibrating the compass,
check that the compass is set
to the correct variance zone.
See “Compass Variance (Zone)
Procedure” earlier in this
section.
Do not operate any switches
...
Database Coverage Explanations
Coverage area depends upon the map detail available. Some areas have greater
map detail than others. The navigation system works only as well as the information
provided on the stored map data. Se ...






