Buick LaCrosse: ENGINE 
OVERHEATED — IDLE 
ENGINE - Engine Cooling System Messages - Vehicle Messages - Instruments and Controls - Buick LaCrosse Owners ManualBuick LaCrosse: ENGINE OVERHEATED — IDLE ENGINE

This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down.

    COOLANT LEVEL LOW ADD COOLANT
    This message will display if the coolant is low. See Engine Coolant. ...

    ENGINE OVERHEATED — STOP ENGINE
    This message displays and a continuous chime sounds if the engine cooling system reaches unsafe temperatures for operation. Stop and turn off the vehicle as soon as it is safe to do so to avo ...

    See also:

    Low Oil Pressure Indicator
    Low Oil Pressure Indicator This indicator should never come on when the engine is running. If it starts flashing or stays on, the oil pressure has dropped very low or lost pressure. Serio ...

    If a warning light turns on or a warning buzzer sounds...
    Calmly perform the following actions if any of the warning lights comes on or flashes. If a light comes on or flashes, but then goes off, this does not necessarily indicate a malfunction in the sy ...

    To lock and unlock the trunk lid opener switch
    When you entrust your vehicle key to another person, you can lock the trunk lid opener switch to prevent items in the trunk from being stolen. To lock the trunk lid opener switch, perform the fol ...