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:
Storing a Flat or Spare Tire and
Tools With a Slide In Fastener
1. If the flat tire is larger than the
spare tire, use the longer
mounting bolt.
2. Slide the shorter bolt to remove
it from the floor and insert the
longer one.
3. Replace the jack and to ...
Vehicle Data Recording and Privacy
This GM vehicle has a number of
sophisticated computers that record
information about the vehicle’s
performance and how it is driven.
For example, the vehicle uses
computer modules to monit ...
Battery Voltage
This display, available on some
vehicles, shows the current battery
voltage. If the voltage is in the
normal range, the value will display.
For example, the display may read
Battery Voltage 1 ...