Your Responsibility
Increase the volume of the radio if the OnStar advisor cannot be heard.
If the light next to the OnStar buttons is red, the system
may not be functioning properly. Press
and request
a vehicle diagnostic. If the light appears clear (no light is
appearing), your OnStar subscription has expired and
all services have been deactivated. Press
to confirm
that the OnStar equipment is active.
See also:
Footnotes — Maintenance Schedule Additional Required Services — Severe
a) Check all fuel and vapor lines and hoses for proper hook-up, routing, and
condition. Check that the purge valve, if the vehicle has one, works properly. Replace
as needed.
b) Or every four yea ...
Front Seats
The vehicle's front seats have adjustable head restraints in the outboard seating
positions.
The height of the head restraint can be adjusted. Pull the head restraint up
to raise it. Try to ...
Compass
The vehicle has a compass display in the DIC. See Compass for more information. ...