These warning messages will appear in the DIC display if there is a problem detected in one of your vehicle's systems. With most messages, a warning chime will sound when the message is displayed.

The messages will clear from the display when the condition no longer exists. You can also acknowledge and clear some messages from the display by pressing and holding either the reset or information buttons. The message will come back on the next time the vehicle is turned off and back on if the condition still exists. Your vehicle may have other warning messages.

AUTO (Automatic) LIGHTS OFF

This message will display if the automatic headlamp system is disabled with the headlamp switch.

AUTO (Automatic) LIGHTS ON

This message will display if the automatic headlamp system is enabled with the headlamp switch.

BRAKE FLUID

This message will display if the ignition is on to inform the driver that the brake fluid level is low. Have the brake system serviced by your GM dealer as soon as possible.

CHANGE OIL SOON

This message will display 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 and Part A: Scheduled Maintenance Services for more information.

CHECK GAS CAP

This message will display if the gas cap has not been fully tightened. You should recheck your gas cap to ensure that it is on properly. A few driving trips with the cap properly installed should turn the message off.

CRUISE ENGAGED

This message will display when the cruise control system is active. See Cruise Control for more information.

DOOR AJAR

This message will display if one or more of the vehicle's doors are not closed properly. When this message appears, you should make sure that the door(s) are closed completely.

ENGINE DISABLED

This message will display if the starting of the engine is disabled. Have your vehicle serviced immediately by your GM dealer.

KEY FOB BATT (Battery) LOW

This message will display if the remote keyless entry transmitter battery is low. You should replace the battery in the transmitter. See "Battery Replacement" under Remote Keyless Entry (RKE) System Operation .

LOW COOLANT

This message will display when there is a low level of engine coolant. Have the cooling system serviced by your GM dealer as soon as possible. See Engine Coolant for more information.

PARKING BRAKE

This message will display if the parking brake is left engaged. See Parking Brake .

SERVICE AIR BAG

This message will display when there is a problem with the airbag system. Have your vehicle serviced by your GM dealer immediately.

TRUNK AJAR

This message will display when the trunk lid of your vehicle is not closed completely. You should make sure that the trunk lid is closed completely. See Trunk .