Kia Optima: Opening the hood
1. Pull the release lever to unlatch the hood. The hood should pop open slightly.
WARNING
Open the hood after turning off the engine on a flat surface, shifting the shift lever to the P(Park) position for automatic transaxle and to the 1st(First) gear or R(Reverse) for manual transaxle, and setting the parking brake.

2. Go to the front of the vehicle, raise the hood slightly, pull the secondary latch (1) inside of the hood center and lift the hood (2).
3. Raise the hood. It will raise completely by itself after it has been raised about halfway.
Hood
Closing the hoodReplacement
The injector combustion seal should be replaced new one to
prevent leakage after removing the injector.
1.
Remove the combustion seal (A) with a wire cutter.
...
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.
...
Crankshaft Position Sensor (CKPS). Description and Operation
Description
Crankshaft Position Sensor (CKPS) detects the crankshaft
position and is one of the most important sensors of the engine control system.
If there is no CKPS signal input, the engine ...