2008 Cadillac DTS Owner's Manual - Page 206

Oil Pressure Light Security Light For information regarding this light and the vehicle's security system, see Content Theft-Deterrent on page 2-19. {CAUTION: 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. Fog Lamp Light 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. This light will come on briefly when you start your engine. If it does not, have your vehicle serviced. The light will go out when the fog lamps are turned off. See Fog Lamps on page 3-34 for more information. When the light comes on and stays on, it means that oil is not flowing through your engine properly. You could be low on oil and you might have some other system problem. 3-66 The fog lamp light will come on when the fog lamps are in use.