2009 Buick LaCrosse Owner's Manual - Page 301

Radiator Pressure Cap Notice: If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured. The radiator pressure cap is located in the front of the engine compartment on the passenger's side of the vehicle. See Engine Compartment Overview on page 5-12 for more information on location. Engine Overheating The vehicle has several indicators to warn of engine overheating. There is a coolant temperature gage and a warning light on the instrument panel cluster that indicate an overheated engine condition. See Engine Coolant Temperature Gage on page 3-38 and Engine Coolant Temperature Warning Light on page 3-38 for more information. In addition, if your vehicle is equipped with a Driver Information Center (DIC), you will find an ENGINE COOLANT HOT and a REDUCED POWER STOP WHEN SAFE message displayed on the DIC. See DIC Warnings and Messages on page 3-56 for more information. Pressure Cap Notice: If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured. See Engine Compartment Overview on page 5-12 for more information on location. 5-31