Fuel System Messages
FUEL LEVEL LOW
This message displays and a chime sounds if the fuel level is low. Refuel as soon as possible. See Fuel Gauge and Fuel for more information.
TIGHTEN GAS CAP
This message may display along with the check engine light on the instrument panel cluster if the fuel cap is not tightened properly. See Malfunction Indicator Lamp . Reinstall the fuel cap fully. See Filling the Tank . The diagnostic system can determine if the fuel cap has been left off or improperly installed. A loose or missing fuel cap allows fuel to evaporate into the atmosphere. A few driving trips with the cap properly installed should turn this light and message off.
See also:
Filling a Portable Fuel Container
WARNING
Never fill a portable fuel container while it is in the vehicle.
Static electricity discharge from the container can ignite the fuel vapor. You
can be badly burned and the vehicle damaged ...
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Vehicle
Diagnostics, Remote Door Unlock,
Roadside Assistance, Turn-by-Turn
Navigation, and Hands-Free ...
RELEASE PARK BRAKE SWITCH
For vehicles with the electric parking
brake, this message displays if the
switch is pulled while the vehicle is
moving. See the electric parking
brake information under Parking
Brake (Elect ...






