Kia Optima: First generation (MS; 2000–2005)

Second generation (MG; 2005–2010)

The second generation Optima, known as the Kia Magentis globally except the United States and Malaysia, and as the Kia Lotze in South Korea, was launched in South Korea in November 2005. ...

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Thermostat. Repair procedures
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Removal
Room Lamp 1. Disconnect the negative(-) battery terminal. 2. Carefully remove the lamp lens (A) from the room lamp with a flat-tip screwdriver. ...

To set cruise control speed
1. Press the CRUISE ON-OFF button on the steering wheel to turn the system on. The CRUISE indicator light in the instrument cluster will illuminate. 2. Accelerate to the desired speed, which must ...