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:
Battery
The battery supplies power to
start the engine and operate any
additional electrical accessories.
- To avoid break–down or failure
to start the vehicle, maintain a
battery with full cranking ...
Headlamp High/Low-Beam Changer
(Headlamp High/Low Beam Changer):
To change the headlamps from low to high beam, push the lever toward the instrument
panel. To return to low-beam headlamps, pull the multifunction lever toward y ...
Reactivation for Subsequent
Owners
Push and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle
records and will explain the OnStar
service offers and opt ...