Turn off the following and note your starting miles then check it the following day.
Turn off Cabin Overheat Protection
Turn off “Keep Climate On”
Turn off Sentry mode & Dashcam
Turn off Smart Summon Standy
Turn off your Air Conditioner
Say No to Data Sharing
Turn off (log out) any Apps that’s polling your car like
Teslafi and A Better Route Planner etc.
Do Not check your car via the App, by doing so you will wake it from sleep mode.
With these off you will lose zero to 1 mile per day.
Fred