Posting this for ease of finding information in one location for different model years to permanently disable the Auto Start-Stop feature depending upon the year of the vehicle.
Step 1: Pull off the interior right rear trunk trim panel by pulling with your hands at the portion closest to the back seat and then working your way back towards the rear of the car. There are 3 plastic plugs that connect the wheel well cover to the trunk compartment.
2014 LWB Range Rover Supercharged:
Option #1 – Once the auxiliary battery becomes low, the Auto Start-Stop feature stops working and there is no indication of any issues other than in the dashboard indicating that it is off.
Option #2 – If you remove the black cable from the negative terminal of the auxiliary battery, wrap it with black tape so it does not contact metal, that works too.
2017 LWB Range Rover Supercharged:
I don’t know where the auxiliary battery is or if it has one, but all I had to do was disconnect the top of the 3 plugs in the image below and you are done. The best part is there is no indication that it has been turned off at the dashboard.
Location:
View attachment 330428
2014 Auxiliary Battery Disconnect:
View attachment 330429
2017 Electrical Plus Disconnect:
View attachment 330430