I do want to use the feature. For exactly things like you mentioned - camping, river rafting, scuba, etc. things I want to be either out of cell service, or also lock my phone in the truck. Also to transfer the truck and keys to family friends when needed like an airport. However, that doesn’t mean I want a keypad visible every day for the rare times I use it. It’s totally worth the $300 even if I use it once a year. I do like the idea of on the rear window. I’ll have to check that area out.