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:

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    Deactivating the HOLD function
    The HOLD function is deactivated automatically if:  - you accelerate and the transmission is in position D or R.  - you shift the transmission to position P.  - you apply t ...

    Function
    The driver sees what is behind the vehicle and if a person or animal should suddenly appear from the side. PAC is mounted on the rear of the trunk lid, near the opening handle. The camera has bu ...