Is the coolant warning light displayed on your Kia Optima dashboard? This guide is a step-by-step procedure for checking and adding engine coolant on a 2016-2020 Kia Optima. By following the procedures below, learn how to check the fluid level and add coolant to your Kia Optima.

What you will need

  • Engine coolant Mixed 50/50

Procedure

  1. Open the hood, pull the hood release under the dashboard and go to the front of the vehicle.Hood release of 2016-2020 Kia Optima. Then unlock the hood latch and pull the hood up.Opened hood of the Kia Optima.
  2. Cooldown the engine. Make sure the engine and radiator are cool to the touch.
  3. If the coolant in the radiator is empty or drained, open the radiator cap (only after the engine has cooled down) located at the front side of the engine compartment on the passenger side and add in the coolant.The radiator cap of the 2016-2020 Kia Optima.
  4. Check the fluid level on the coolant reservoir tank.Checking the fluid level of the engine coolant reservoir.
  5. Open the cap on the reservoir tank and pour in the coolant. Opening the cap of the coolant reservoir tank.The total capacity of the coolant in the Kia Optima is 6.6~6.9L or 1.74~1.82 U.S.gal.

We hope you find the Kia Optima | Check Coolant Level | Add Engine Antifreeze guide helpful. Check these troubleshooting and repair guides for more help on your Kia.

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