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HOMESERVICE MANUALSBUICK2018REGAL BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTIGNITION SWITCH/STEERING LOCKIMMOBILIZER SYSTEMREPAIR INSTRUCTIONSKEY WITH INTEGRATED TRANSMITTER PROGRAMMING (WITHOUT BTM)REPLACING KEYS (WITH SPS)
2018 Buick Regal Base

Replacing Keys (With SPS)

2018 Buick Regal BaseSECTION Replacing Keys (With SPS)
NOTE:
  • If no keys are present this procedure requires programming 2 keys during the same programming event or the vehicle will not exit the procedure.
  • This procedure may be used with or without existing learned keys being present.
  • A total of eight keys may be learned to a single vehicle.
  • This procedure will only learn the vehicle key information. This procedure will not learn any immobilizer information between the body control module (BCM) and engine control module (ECM).
  • If the battery voltage is low, charge the battery before continuing with the procedure.
  1. Connect a scan tool to the vehicle and access SPS.
  2. Ensure that all power consuming devices are turned OFF on the vehicle.
  3. Select the SPS application and follow the on-screen instructions.
  4. Select Reprogram ECU.
  5. Select IMMO Immobilizer Learn - Setup.
  6. Select the Program Transponder or Remote Key (Delete) function.
  7. Follow the on-screen instructions.
  8. After programming all keys, "Programming Complete" is displayed.
  9. Press the lock and unlock button on each key that was programmed. This will awaken each key and allow keyless entry functions to be established.
  10. With a scan tool, clear any DTCs.
  11. Verify each key is operating properly. Operate each of the keyless entry functions using the buttons on the key and then start the vehicle. When verifying operation, make sure that no other keys are near the vehicle.
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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.