2004 GMC Savana Van Owner's Manual - Page 160

A reading in the low pressure zone may be caused by a dangerously low oil level or other problem causing low oil pressure. Check your oil as soon as possible. Change Engine Oil Light This light is displayed when the engine oil needs to be changed. {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. If your vehicle has a V8 engine and this light is flashing, it indicates that the oil level is low. When this light is on steady, it indicates the oil needs to be changed soon. Once the engine oil has been changed, the change engine oil light must be reset. Until it is reset, the light will be displayed when the engine is on. For more information on resetting the system, see Engine Oil on page 5-11. 3-38