OBDSTAR X300 DP Plus program 2020 Toyota Highlander smart key via OBD successfully.
Important: read immo data to bypass the 3 datalines or the direct connection to the smartbox.
Procedure:
Select Toyota->Highlander->Proximity->2018 up
Read current number of smart keys.
Read immo data via OBD mode.
Open the emergency flasher, press the start button 5 times.
Reading immo data and save it.
Then select Add smart keys.
Make sure immo data has been read.
Choose the immo data read in step 1
Reading immo pin code
Put the working key close to the Start button and the buzzer will beep once.
Put the new key to be programmed to the start button and the buzzer will beep twice.
Program completed. Test the new key.
