Body Electrical System

Smart Key System

~1min read

Specifications

Specifications

Smart Key Unit

Items Specification
Rated Voltage 12 V DC
Operating Voltage 9–16 V DC
Operating 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 3 V, 1 pc.
Range - Distance at which the radio frequency (RF) receiver can receive the FOB transmission signal: 30 m
- Distance at which the low frequency (LF) antenna (outside handle/tailgate) can detect the FOB: 0.7 m
Battery Life More than 2 years (10 times/day)

Press the buttons 4 (door lock/unlock, trunk open, remote start)
Frequency (Reception) 125 kHz
Frequency (Transmission) 433.92 MHz
Quantity 2 units

Antenna

Items Specification
Rated Voltage 12 V DC
Operating Voltage 9–16 V DC
Operating Temperature -22 to 176°F (-30 to 80°C)
Frequency 125 kHz
Quantity Interior (3 pcs), Door (2 pcs), Front Bumper Beam (1 pc), Rear Bumper (1 assy)

Components and Component Location

Components (1)

1. Integrated Body Control Module (BCM)
2. Interior Antenna 1
3. Interior Antenna 2
4. Buzzer
5. Door Handle and Door Antenna
6. Front Door Antenna

Components (2)

1. Trunk Open Switch
2. Front Antenna
3. Interior Antenna 3
4. Exterior Antenna in Bumper

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.