Yes, the previous owner can continue tracking the vehicle unless you reset the Bluelink system. To prevent this, go to ‘Settings’, then ‘Bluelink’ in the infotainment system and select ‘Deactivate Bluelink’ to reset it to factory settings.
For further guidance, refer to the Bluelink User Manual or call 1800 186 306 for support in setting up your Bluelink services.