Thanks so much. My question, do we need to do any something like code resettings.The attached document describes how to replace the small auxiliary battery in the the 2020 and before model years.
If you use a Jaguar Land Rover labeled battery (or Exide EK151 equivalent) then you only need page 4 for a step-by-step instruction list.
The rest of the document is for persons who want to use a less expensive motorcycle/motorsports battery. The Jaguar Land Rover battery is expensive in the US (> $200) compared to the UK (< $100 USD for an EK151). I did this for a total cost of about $150 for parts and tax. (I actually spent > $200 as I explored alternatives for everyone.) The only thing that would cost in the future is a battery and that would be < $100.
Read through the instructions. If you plan to do this, you can be prepared by getting the parts together before your battery fails. Get the replacement battery when it does fail or could fail based on age.
Battery removal time: about 20 minutes if you haven't done it before (excludes waiting time for the car to power down)
Battery install time: about 15 minutes (gravity helps to install the battery )
Assembling the motorcycle/motorsport battery change: about 1/2 hour if fully prepared
Thank you to @sciencegeek and @dernotte for proof reading and comments.