Fuel System Messages
FUEL LEVEL LOW
This message displays when the vehicle is low on fuel. Refill the fuel tank as soon as possible. A chime may sound when this message displays. See Filling the Tank.
TIGHTEN GAS CAP
This message displays when the fuel cap has not been fully tightened. Recheck the fuel cap to ensure that it is on and tightened properly.
See also:
Vehicle and Power Issues
OnStar services require a vehicle
electrical system, wireless service,
and GPS satellite technologies to be
available and operating for features
to function properly. These systems
may not o ...
Starting the Vehicle Messages
PRESS BRAKE TO START VEHICLE
This message is displayed when attempting to start the vehicle without first
pressing the brake pedal.
SERVICE KEYLESS START SYSTEM
This message is displayed if ...
Engine Air Cleaner/Filter
See Engine Compartment Overview for the location of the engine air
cleaner/filter.
Inspect the air cleaner/filter at the scheduled maintenance intervals and replace
it at the first oi ...