Kia Optima: Body Electrical System / Smart Key System

Kia Optima DL3 2019-2024 Service and Repair Manual / Body Electrical System / Smart Key System

Specifications

Smart Key Unit

Items	Specification
Rated voltage	DC 12 V
Operation voltage	DC 9 - 16 V
Operation temperature	-40 to 185°F (-40 to 85°C)

RF Receiver

Items	Specification
Frequency	433.92 MHz
Antenna type	FSK

Smart Key

Items

Specification

Battery

Lithium battery 3V 1 unit

Distance

- The distance over which Radio Frequency (RF) Receiver can receive a FOB transmission signal : 30m
- The distance over which Low Frequency (LF) antenna(Outer Handle/ Tailgate ) can detect FOB : 0.7m

Battery life

More than 2 years (10 times / a day)

•	An inappropriately disposed battery can be harmful to the environment and human health.

•	Dispose the battery according to your local law(s) or regulation.

Push buttons

4 (Door lock / unlock, Trunk open, Remote start)

Frequency (Rx)

125 kHz

Frequency (Tx)

433.92 MHz

Numbers

2 units

Antenna

Items	Specification
Rated voltage	DC 12 V
Operating voltage	DC 9 - 16 V
Operation temperature	-22 to 176°F (-30 to 80°C)
Frequency	125kHz
Numbers	Interior (3 units), Door (2 units), Front bumper beam (1 unit), Rear bumper (1 unit)

Components and components location

Components (1)

1. Integrated body control unit (IBU)
2. Interior antenna 1
3. Interior antenna 2

4. Buzzer
5. Door handle & door antenna
6. Front door antenna

Components (2)

1. Trunk open switch
2. Front antenna

3. Interior antenna 3
4. Exterior bumper antenna

Relaxion Comfort Seat

Components and components location Component Location 1. Relaxion comfort switch 2. Walk-in switch 3. Relaxion comfort seat unit (RCSU) S ...

Smart Key

Repair procedures Adjustment Smart Key Code Saving 1. Connect the VCI II in driver side crash pad lower panel, turn the power on KDS. 2. Sel ...

Other information:

Kia Optima DL3 2019-2024 Owner's Manual: Emergency starting

Connect cables in numerical order and disconnect in reverse order. (A) : Jumper Cables (B) : Booster battery (C) : Discharged battery Jump starting Jump starting can be dangerous if done incorrectly. Therefore, to avoid harm to yourself or damage to your vehicle or battery, follow these jum ...

Kia Optima DL3 2019-2024 Owner's Manual: Tire replacement

If the tire is worn evenly, a tread wear Indicator (A) will appear as a solid band across the tread. This shows there is less than 1.6 mm (1/16 inch) of tread left on the tire. Replace the tire when this happens. Do not wait for the band to appear across the entire tread before replacing the ...