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To remove the mechanical key (2), press and hold the release button (1) and remove the mechanical key.
To reinstall the mechanical key, put the key into the hole and push it until a click sound is heard.
Kia Stinger (CK) 2018-2023 Owner's Manual: Rear Glass Defogger Printed Heater
Repair procedures Inspection • Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line. Apply pressure on the tin foil with hand and move the tin foil along the grid line to check for open circuits.The high-pressure cooling system has a reservoir filled with year round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a year: at the beginning of the winter season, and before traveling to a colder climate. CAUTION - Radiator cap Never attempt to remove the radiator cap while the engine is operating or hot.