• Prestone® DEX-COOL® 50/50 Prediluted Extended Life Antifreeze/Coolant

    Formulated for use in all GM® vehicles that require DEX-COOL® coolant with the featured factory-fill blend used by major auto manufacturers. 50% antifreeze concentrate for temperature and corrosion protection. 50% water for vital heat transfer.

    For Vehicles with expansion Tank
    With engine cold, remove Pressure Cap and fill tank with Prestone® DEX-COOL® 50/50 Prediluted Extended Life Antifreeze/Coolant to cold line. Replace cap securely.* (illus. 1)

    For Vehicles with Recovery Bottle and Pressure Cap on Radiator

    With engine cold, remove radiator cap and add Prestone® Dex-Cool® 50/50 Prediluted Extended Life Antifreeze/Coolant to within 1 inch of the top of radiator cap. Top Off recovery bottle to "cold" fill line.* (illus. 2)

    WARNING: HARMFUL OR FATAL IF SWALLOWED. KEEP OUT OF REACH OF CHILDREN. CAUTION: Do not remove radiator cap when engine is hot. See owner’s manual for any special cooling system service instructions. Do not store antifreeze/coolant in open or unlabeled containers. Wash exposed skin thoroughly with soap and water after use.

    * Check fluid level after 1 to 2 days.  If consistently low have cooling system checked for leaks.


    This patented formula has a concentrated blend of premium long-lasting inhibitors for extended performance, protecting against temperature extremes and the ravages of rust and corrosion. Prestone® DEX-COOL® Approved Antifreeze/Coolant has been approved by General Motors to be licensed as a DEX-COOL® product under the GM 6277M specification.

    Dex-Cool and GM are registered trademarks of General Motors Corporation and are used under license.

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