2007 Buick Rainier Owner's Manual - Page 382

Add coolant mixture at the recovery tank, but be careful not to spill it. 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. See Engine Compartment Overview on page 366 for information on location. {CAUTION: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine. Occasionally check the coolant level in the radiator. For information on how to add coolant to the radiator, see Cooling System on page 384. Engine Overheating You will find a coolant temperature gage on your vehicle's instrument panel. See Engine Coolant Temperature Gage on page 189 for more information. If your vehicle has a Driver Information Center (DIC), the display will show an Engine Coolant Hot/Engine Overheated message. See DIC Warnings and Messages on page 202 for more information. 382