2008 Cadillac CTS Owner's Manual - Page 182

The oil light could also come on in the following situations: Engine Oil Pressure Gage • The light will come on briefly when the ignition is turned on to show that it is working properly. If it does not come on with the ignition on, there may be a problem with the fuse or bulb. Have it fixed right away. • Sometimes when the engine is idling at a stop, a chime will sound and the light may blink on and off. This is normal. {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. 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. United States Canada Your vehicle may have an engine oil pressure gage. It shows the engine oil pressure in psi (pounds per square inch) when the engine is running. Canadian vehicles indicate pressure in kPa (kilopascals). Oil pressure may vary with engine speed, outside temperature and oil viscosity, but if readings are outside the normal operating range, the oil pressure light will come on. See Oil Pressure Light on page 3-43 for more information. 3-44