Kia Optima: Body Electrical System / Smart Key System

Kia Optima DL3 2019-2021 Service and Repair Manual / Body Electrical System / Smart Key System

Specifications
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

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Smart Key
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Other information:

Kia Optima DL3 2019-2021 Service and Repair Manual: Power Windows


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Kia Optima DL3 2019-2021 Service and Repair Manual: Engine Oil and Filter


Repair procedures Inspection 1. Check the engine oil quality. Check the oil deterioration, entry of water, discoloring of thinning. If the quality is visibly poor, replace the oil. 2. Check the engine oil level. After engine warm up ...

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