Check Coolant Level in Cadillac STS?

It displays this message -how do you do this? please help--what should i do?

3 Answers

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  • leon
    Lv 4
    1 decade ago
    Best Answer

    There is or should be a plastic tank hooked to the radiator, it may be clear of white and you should be able to see if it is up to the mark or not. Don't add more than you need or it will boil away.

  • stevet
    Lv 4
    1 decade ago

    Your overflow bucket under the hood that holds anti-freeze is low, when you add Dex-cool the float will rise and turn off your dash warning lite

    Source(s): ase tech
  • Dan
    Lv 6
    1 decade ago

    probably low on coolant from a leak usually the waterpump or crossover tubes gaskets leak. take it in and get it leak tested

    Source(s): gm master tech
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