It was even more fun when I wore the strap for the heart rate monitor, and it would say my pulse was over 250.

One evening this summer after a post-work ride, I put the bike in the car to drive home but forgot to turn off the cycle computer first. I kept hearing it beeping while I was driving home. My car has a smart key feature (you keep the key in your pocket/purse and a sensor in the car allows you to lock/unlock doors and start the car if the key is within a certain distance). It turns out the smart key system was messing with the bike computer.