2010 Chevrolet Cobalt Owner's Manual - Page 187

CHANGE OIL SOON This message displays when the life of the engine oil has expired and it should be changed. When this message is acknowledged and cleared from the display, the engine oil life system must still be reset separately. See Engine Oil Life System on page 6‑21 and Scheduled Maintenance on page 7‑3 for more information. COOLING MODE ON This message may display on some vehicles. Under severe conditions, hot ambient temperatures, steep grades, and towing, your vehicle may experience more transmission shifting. This is temporary and normal under these conditions. This does not require engine or transmission service. CRUISE ENGAGED This message displays when the cruise control system is active. See Cruise Control on page 4‑6 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 open. Make sure that the door(s) are closed completely. COMPETITIVE MODE If your vehicle has this feature, this message displays when the Competitive Driving mode is selected. The Traction Control System (TCS) will not be operating while in the Competitive Driving mode and the ESC/TCS light on the instrument panel cluster will be on solid. Adjust your driving accordingly. See Traction Control System (TCS) on page 5‑9, Electronic Stability Control (ESC) on page 5‑6, and Electronic Stability Control (ESC)/Traction Control System (TCS) Indicator/Warning Light on page 4‑25 for more information. ENGINE DISABLED This message displays if the starting of the engine is disabled. Have your vehicle serviced by your dealer/retailer immediately. 4-41