Kia Optima: Engine Temperature GaugeThis gauge shows the temperature of the engine coolant when the ignition switch is ON.
If the gauge pointer moves beyond the normal range area toward the H position, it indicates overheating that may damage the engine.

Do not continue driving with an overheated engine. If your vehicle overheats, refer to “Overheating’’ in the Index.
Tripmeter (If equipped)
Fuel GaugeFront Turn Signal / Position Light Bulb Replacement
1. Remove the bolts from the headlight assembly. ...
Trouble Diagnostics When Using GDS
1.
The body control module can diagnose
by using the GDS more quickly.The BCM communicates with the GDS and then
reads the input/output value and drives the actuator.
...
Description and Operation
Description
The hydraulic system consists of oil, an oil filter, an oil pump, and a valve body
(valves and solenoid valves). The oil pump is powered by the engine. ATF passes
through the oil filt ...