This post will demonstrate how to use Launch X431 IMMO series tablet (IMMO Plus/IMMO Elite/IMMO Pro) to add smart key to Buick GL8.
Car model: e.g. Buick Enclave 2020
Step 1: Generate Remote
Go to “Key Programming” function
Select Vehicle Remote-> American-> Buick-> All remotes-> Enclave (2018-2020) Keylessgo ID46 433-> Generate
Generate remote successfully

Step 2: Add Smart Key
Navigation path:
GM software (e.g. V10.45)-> Anti-Theft Key Matching-> Manually Select (Via Model)-> Buick-> (L) 2020-> Enclave-> Smart Key-> Add Smart Key


Follow the on-screen instructions to operate one by one
- Turn ignition on
 - Press Start/Stop button
 - Put the smart key to be matched into the key slot, and take other smart keys out of the car
 

- Input the 4-digit PIN and then confirm it is correct
 

- Turn ignition off
 - Press Start/Stop button
 - Confirm the programmed key number is 2
 

- Program the current key well, no need to program next key, click “NO”
 

- Press and hold the START button until the ignition is on and instrument panel lights on
 - Press the brake and press the START button to start the engine
 - Turn off ignition
 - Turn off engine
 - Open drive door and then close driver door
 - Take out the smart key, press simultaneously the Lock and Unlock buttons and release them
 - No need to synchronize other keys, click “NO”
 

Program completed
 
Video guide:
Launch X431 IMMO tablet add Buick GL8 Smart Key






