Whether it's life, travel or automobile, insurance is the one item we purchase which we hope we never use. But, **** happens! Recently we handled total loss claims on a '90s Land Rover Defender and a 2021 Honda Civic Type R, both with over $10k in recent options and upgrades of which the owners never advised their insurance companies. We were able to settle for more $$$ than the insurance company initially offered, but the >$10k in upgrades was not covered! Yes, they saved a few $$ on the insurance premium, but lost thousands in the settlement. Don't be penny wise and dollar foolish! If you have invested in upgrades on your vehicle, advise your insurance company in writing!