GM Service Manual Online
For 1990-2009 cars only

These messages appear if there is a problem detected in one of your vehicle's systems.

A message will clear when that condition is no longer present on the vehicle. To acknowledge a message and clear it from the display, press any of the three DIC buttons. If the condition is still present, the warning message will come back on the next time the vehicle is turned off and back on. With most messages, a warning chime sounds when the message displays. Your vehicle may have other warning messages.

AUTO (Automatic) LIGHTS OFF: This message displays if the automatic headlamp system is disabled with the headlamp switch.

AUTO (Automatic) LIGHTS ON: This message displays if the automatic headlamp system is enabled with the headlamp switch.

BRAKE FLUID: This message displays to inform the driver that the brake fluid level is low while the ignition is in ON. The brake system warning light on the instrument panel cluster also comes on. See Brake System Warning Light for more information. Have the brake system serviced by your dealer/retailer as soon as possible.

CHANGE OIL SOON: This message displays when the life of the engine oil has expired and it should be changed. When you acknowledge the CHANGE OIL SOON message by clearing it from the display, you still must reset the engine oil life system separately. See Engine Oil Life System , Engine Oil , and Scheduled Maintenance for more information.

CHECK GAS CAP: This message displays if the fuel cap has not been fully tightened. Recheck the fuel cap to make sure that it is on properly. A few driving trips with the cap properly installed should turn the message off.

DOOR AJAR: This message displays if one or more of the vehicle's doors are not closed properly. Make sure that the door is closed completely.

ENGINE DISABLED: This message displays if the starting of the engine is disabled. Have your vehicle serviced immediately by your dealer/retailer.

ENG (Engine) PWR (Power) REDUCED: This message displays to inform you that the vehicle has reduced engine power to avoid damaging the engine. Reduced engine power can affect the vehicle's ability to accelerate. If this message is on, but there is no reduction in performance, proceed to your destination. The performance may be reduced the next time the vehicle is driven. The vehicle may be driven at a reduced speed while this message is on, but acceleration and speed may be reduced. Anytime this message stays on, the vehicle should be taken to your dealer/retailer for service as soon as possible.

GATE AJAR: If your vehicle has a liftgate, this message displays when the liftgate is not closed completely. Make sure that the liftgate is closed completely. See Liftgate for more information.

ICE POSSIBLE: This message displays when the outside air temperature is cold enough to create icy road conditions. Adjust your driving accordingly.

KEY FOB BATT (Battery) LOW: This message displays if the Remote Keyless Entry (RKE) transmitter battery is low. Replace the battery in the transmitter. See "Battery Replacement" under Remote Keyless Entry (RKE) System Operation .

LOW FUEL: This message displays along with a low fuel warning light on the instrument panel cluster when your vehicle is low on fuel. Refill the fuel tank as soon as possible. See Fuel and Filling the Tank .

LOW WASHER FLUID: This message displays when your vehicle is low on windshield washer fluid. Refill the windshield washer fluid reservoir as soon as possible. See "Adding Washer Fluid" under Windshield Washer Fluid .

POWER STEERING: This message displays if a problem has been detected with the electric power steering, if your vehicle has this feature. Have your vehicle serviced immediately by your dealer/retailer.

PUSH PARK PEDAL: This message displays if the parking brake is left engaged. See Parking Brake for more information.

SERVICE AIR BAG: This message displays if there is a problem with the airbag system. Have your vehicle serviced immediately by your dealer/retailer.

TRUNK AJAR: If your vehicle has a trunk, this message displays when the trunk lid is not closed completely. Make sure that the trunk lid is closed completely. See Trunk for more information.