Kia Optima: Automatic Door LocksOperating Door Locks - With the Key

Operating Door Locks - Without the Key

To lock a door without the key, push the inside door lock button to the “LOCK” position and close the door.
NOTICE
Always remove the ignition key, engage the parking brake, close all windows and lock all doors when leaving your vehicle unattended.
Two Turn Unlock System
At the driver’s door, if you would unlock the other doors, you must turn the key to the right twice within 3 seconds, but all for doors can be locked by turn the key once.
Door Locks
Operating Door Locks From Inside the VehicleIgnition switch position
LOCK
The steering wheel locks to protect against theft. (if equipped) The ignition
key can be removed only in the LOCK position.
When turning the ignition switch to the LOCK position, push the k ...
Adjustment
Stop lamp switch clearance adjustment
If the gap between stop lamp switch and bracket is not 1.0 ~ 2.0mm(0.04~ 0.08in),
conform to below.
1.
Disconnect the stop lamp switch
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Changing Coolant
Change coolant according to the Scheduled Maintenance.
Use only soft (de-mineralized) water in the coolant mixture.
The engine in your vehicle has aluminum engine parts and must be protected
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