2002 Hyundai Accent GL, AutomaticFACTORY OEM SERVICE PROCEDURE

Reprogram Error Recovery

  1. Using first key, start engine. After SECURITY light illuminates for 1-2 seconds, turn first key to LOCK position. Using first key, turn ignition switch to ON position, then LOCK position 5 times. DO NOT leave key in either position for more than one second.
  2. Using first key, turn ignition switch to ON position. SECURITY light should illuminate. Turn first key to LOCK position and remove key. SECURITY light should go out.
  3. Using second key, start engine. SECURITY light should illuminate for 1-2 seconds and engine should continue to run. Turn second key to LOCK position and remove key.
  4. Repeat step  3 with first key. Repeat step  3 with third key, then with each new key, up to 8 keys total. Waiting seconds will cause program to quit automatically. After reprogramming is complete, clear DTCs with NGS tester.
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When to See a Mechanic

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

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

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