The 2012 GMC Acadia uses orange OEM Dexcool in the vehicle. Do not mix different types of coolant in Your car because it can cause corrosion to form in Your cooling system and that can permanently damage it. If You are unsure about the type of coolant that is in Your vehicle and it is low the safest thing to do is top it off with distilled water. This can reduce the cooling capacity slightly, but it will not harm anything in the system. If You have had Your coolant changed by a third party shop it is a good idea to check with them to confirm that You know Your coolant type so that You can have some on hand.
Mary E.
April 10, 2020
If you need to top up the coolant in your 2012 gmc acadia make sure to use orange extended life 50/50 strength, pre-diluted.
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