2003 Buick Rendezvous Owner's Manual - Page 326

1 A 7 I The engine oil fill cap is located iust behind the engine Ail dipstick. What Kind of Engine Oil to Use Oils recommended for your vehicle can be identified by looking for the starburst symbol. This symbol indicates that the oil has been certified by the American Petroleum Institute (API). Do not use any oil which does not carry this starburst symbol. L SAE 5W-30 'I See Engine Compartment Overviewon page 5-12 for more information on location. Be sure to iiii ii enough io pui the ievei somewhere in the proper operating range in the cross-hatched area. Push the dipstick all the way back in when you're through. If you choose to perform the engine oil change service yourself, be sure the oil you use has the starburst symbol on the front of the oil cmtainer. If you have your oil changed for you, be sure the oil put into your engine is American Petroleum Institute certified for gasoline engines. You should also use the proper viscosity oil for vour vehicle, as shown in the viscosity chart. 5-15