Service Only Mode
This power mode is available for service and diagnostics, and to verify the proper operation of the malfunction indicator lamp as may be required for emission inspection purposes. With the vehicle off, and the brake pedal not applied, pressing and holding the button for more than five seconds will place the vehicle in Service Only Mode. The instruments and audio systems will operate as they do in ON/RUN, but the vehicle will not be able to be driven. The engine will not start in Service Only Mode. Push the button again to turn the vehicle off.
See also:
Repair Facility
GM also recommends that you
choose a collision repair facility that
meets your needs before you ever
need collision repairs. Your dealer
may have a collision repair center
with GM-trained te ...
Outside Heated Mirrors
When the rear window defogger is turned on, the
driver’s and passenger’s outside rearview mirrors
also heat to help clear them of ice, snow, and
condensation. ...
Compass
Compass Operation
There is a compass display in the upper right corner of
the mirror.
Compass Calibration
Press and hold to activate the
compass calibration
mode. CAL displays in the compass ...