2006 Pontiac GTO Owner's Manual - Page 137

Check Alternator If this symbol and the Check Alternator message stay on, or come on while you are driving you may have a problem with the electrical charging system. This indicates that the engine is not receiving enough oil. The engine could be low on oil, or could have some other oil problem. Have it repaired immediately by your GM dealer. The Check Oil message will remain until the MODE button is pressed, but the symbol will remain until the condition is repaired. {CAUTION: It could indicate that your vehicle has a loose generator drive belt or another electrical problem. Have your vehicle checked right away by your GM dealer. Driving while this symbol is on could drain your battery. If you must drive a short distance with the symbol on, be certain to turn off all your accessories, such as the radio and air conditioner. The Check Alternator message will remain until the MODE button is pressed, but the symbol will remain until the condition is repaired. Do not keep driving if the oil pressure is low. If you do, your engine can become so hot that it catches fire. You or others could be burned. Check your oil as soon as possible and have your vehicle serviced. Check Oil If this symbol and the Check Oil message stay on after you start the engine, or come on when you are driving, there is a low engine oil pressure problem. Notice: Lack of proper engine oil maintenance may damage the engine. The repairs would not be covered by your warranty. Always follow the maintenance schedule in this manual for changing engine oil. CRUISE ACTIVE The CRUISE ACTIVE message comes on whenever you set the cruise control. See Cruise Control on page 3-10 for more information. 3-39