swim

Is the key card waterproof? I like to go swimming at the local pond and want to lock the Y up. There’s no safe place to store my phone or key card. Can I swim with the card? Will it damage it?

I know this is a little ridiculous, but I remember an interesting video where someone drove through a flooded area in a Tesla while the ICE cars were stuck. Besides not requiring air intake, apparently the car can float (just barely, and a short distance) and get a little propulsion off the...