Deionized Water only in coolant

Discussion in 'General Motoring' started by SUVbubba, Feb 5, 2019.

  1. SUVbubba


    Feb 5, 2019
    Likes Received:
    Is Hyundai serious about using only deionized water in the coolant system? Do they cut the Hyundai brand coolant with DI water?
    When I called the local dealer, neither the service rep nor the parts guy seemed to know anything about that. :eek:
    SUVbubba, Feb 5, 2019
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