Kia Optima: Impact sensing door unlock system (if equipped)

With central door lock switch (if equipped)

Driver's door Passenger’s door (if equipped) Operate by pressing the central door lock switch. Press the switch to the "Lock" position (1), all vehicle doors will lock. Pre ...

Auto door lock/unlock feature (if equipped)

All doors will automatically lock when the transaxle shift lever is shifted out of P (Park). All doors will automatically unlock when the transaxle shift lever is shifted into P (Park). ...

See also:

Suspension System. Tires/Wheels. Tire. Repair procedures
Tire wear 1. Measure the tread depth of the tires. Tread depth [limit] : 1.6 mm (0.063 in.) 2. If the remaining tread depth (A) is less ...

Emission control system
The emission control system of your vehicle is covered by a written limited warranty. Please see the warranty information contained in the Warranty & Maintenance booklet in your vehicle. ...

Removal
1. Remove the battery and the battery tray. (Refer to "Charging system" in EE group.) 2. Remove the under cover (A). Tightening torque:7.8 ~ 11 ...