The purpose of the air bag warning light in your instrument panel is to alert you of a potential problem with your air bag - Supplemental Restraint System (SRS).
When the ignition switch is turned ON, the warning light should illuminate for approximately 6 seconds, then go off. Have the system checked if:
Kia Cee'd JD Service Manual: CVVT (Continuously Variable Valve Timing) System Description and operation
Description
Continuous Variable Valve Timing (CVVT) system advances or retards the valve
timing of the intake and exhaust valve in accordance with the ECM control signal
which is calculated by the engine speed and load.
By controlling CVVT, the valve over-lap or under-lap ...
Kia Cee'd JD Service Manual: Input Speed Sensor 2 Repair procedures
Inspection
Refer to DTC code "P2765, P2766" Input Shaft Speed Sensor.
Removal
1.
Turn off the ignition switch and then disconnect the battery (-) cable.
2.
Remove the under cover.
3.
...