Kia Optima: Input Speed Sensor. Description and OperationDescription
Input speed sensor is a vital unit that measures the rate of rotation of the input shaft inside the transaxle and delivers the readings to the TCM. The sensor provides critical input data that's used in feedback control, damper clutch control, gear setting control, line pressure control, clutch activation pressure control, and sensor fault analysis.

Installation
Input Speed Sensor. SpecificationsTo Reset at a Slower Speed
1. Press the COAST/SET switch and hold it. While the switch is pressed, the vehicle
speed will gradually decrease.
2. When the desired speed is obtained, release the COAST/SET switch.
✽ N ...
Instrument panel overview
1. Instrument cluster 2. Light control / Turn signals 3. Wiper/Washer 4.
Horn 5. Steering wheel audio control* 6. Auto cruise control* 7. Driver’s
air bag 8. Steering wheel 9. Ignition switch* ...
Map Light (sunroof)
This light switch has three positions:
OFF - The light stays OFF even when a door is open.
DOOR - The driver’s side light turns ON when the door opens and light turns OFF
when the door closes. ...