Repair procedures: Inspection

2010 Kia Forte EX, StandardSECTION Inspection
  1. Check that the red light flickers when the door lock or unlock button is pressed on the transmitter.
  2. Remove the battery and check voltage if the red light doesn't flicker.

    Standard voltage  : 3V

    Fig 1: Checking Transmitter Battery Voltage
    G06496134Courtesy of KIA MOTORS AMERICA, INC.
  3. Replace the transmitter battery with a new one, if voltage is below 3V then try to lock and unlock the doors with the transmitter by pressing the lock or unlock button five or six times.
  4. If the doors lock and unlock, the transmitter is OK, but if the doors don't lock and unlock, register the transmitter code, then try to lock and unlock the doors.
  5. If the transmitter is fails, replace only the transmitter.
RENDER: 1.0x

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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.