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:

    Buying New Tires
    GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) system r ...

    Programming the Power Windows
    If the battery on the vehicle has been recharged, disconnected, or is not working, you will need to reprogram each front power window for the express-up feature to work. Before reprogramming, repl ...

    Engine Power Messages
    ENGINE POWER IS REDUCED This message displays and a chime sounds when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode. See Engine Over ...