2002 Kia Optima L4-2.4LFACTORY OEM SERVICE PROCEDURE

Programming and Relearning



Factory service manual diagram





Remote Keyless Entry Programming

1. Connect the adapter to the Hi-Scan Pro, using the Black Kia adapter (P/N 09900 21300).
2. Locate the check connector just to the left of the OBD-II connector under the dash.
3. Select Model/Year/Code Saving.
4. Follow HI-Scan Pro prompts. Press the key transmitter for less than 1 second.
5. There is a time limit of ten seconds when using this programming method.

Note: A maximum of 2 key transmitters are allowed on this system.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.