Kia Optima DL3: Maintenance / Engine coolant
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.
Checking the engine oil level ■ THETA 2.4L - GDI 1. Be sure the vehicle is on level ground. 2. Start the engine and allow it to reach normal operating temperature.
WARNING Removing radiator cap Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage and could result in serious personal injury from escaping hot coolant or steam.
Other information:
Kia Optima DL3 2019-2026 Service and Repair Manual: Keyless Entry And Burglar Alarm
Specifications Specification Item Specification Operating temperature 14 - 140°F (-10 - 60°C) RF Modulation FSK RF Frequency 433.
Kia Optima DL3 2019-2026 Service and Repair Manual: Heater & A/C Control Unit (Manual)
Components and components location Components Connector Pin Function [Connector A] Pin NO Funtion Pin NO Funtion 1 Battery (+) 21 IGN2 2 ILL+ (TAIL) 22 IGN1
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