Kia Optima: Closing the sunroofTo close the sunroof glass only
Push the sunroof control lever forward to the first detent position or pull the lever downward.
To close the sunroof glass with the sunshade
Push the sunroof control lever forward to the second detent position. The sunroof glass will close then the sunshade close automatically.
To stop the sunroof movement at any point, pull or push the sunroof control lever momentarily.

Automatic reversal
If an object or part of the body is detected while the sunroof glass or sunshade is closing automatically, it will reverse the direction, and then stop.
The auto reverse function does not work if a tiny obstacle is between the sliding glass or sunshade and the sunroof sash. You should always check that all passengers and objects are away from the sunroof before closing it.
WARNING - Sunroof
CAUTION
Tilting the sunroof
Resetting the sunroofWhat is Bluetooth® wireless technology?
Bluetooth® wireless technology is a wireless technology that allows multiple
devices to be connected in a short range, low-powered devices like hands-free, stereo
headset, steering remote control ...
To Resume the Preset Speed
The vehicle will automatically resume the speed set prior to cancellation when
you press and release the RES/ACCEL switch, providing the vehicle speed is above
25 mph (40 km/h). ...
Knock Sensor (KS). Description and Operation
Description
Knocking is a phenomenon characterized by undesirable vibration
and noise and can cause engine damage. Knock Sensor (KS) is installed on the
cylinder block and senses engine knockin ...