Buick LaCrosse: Checking Coolant - Engine Coolant - Vehicle Checks - Vehicle Care - Buick LaCrosse Owners ManualBuick LaCrosse: Checking Coolant

The vehicle must be on a level surface when checking the coolant level.

Check to see if coolant is visible in the coolant surge tank. If the coolant inside the coolant surge tank is boiling, do not do anything else until it cools down.

If coolant is visible but the coolant level is not at or above the mark pointed to, add a 50/50 mixture of deionized water or clean drinkable water and DEX-COOL coolant.

Be sure the cooling system is cool before this is done.

If no coolant is visible in the coolant surge tank, add coolant as follows:

    What to Use
    WARNING! Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids can boil before the proper coolant mixture will. The coolant warni ...

    How to Add Coolant to the Coolant Surge Tank
    WARNING! 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 engin ...

    See also:

    Rear window defroster
    The defroster heats the window to remove frost, fog and thin ice from the rear window, while the engine is running. To activate the rear window defroster, press the rear window defroster butto ...

    Fluids
    Proper fluid levels and approved fluids protect the vehicle’s systems and components. See Recommended Fluids and Lubricants for GM approved fluids. • Engine oil and windshield washer ...

    Heated Mirrors
    The vehicle has heated mirrors: (Rear Window Defogger): Press to heat the mirrors. See “Rear Window Defogger” under Dual Automatic Climate Control System  for more information. ...