(BLOOM) — You’re rushing to work, the gym, or the grocery store when it happens — you press your key fob, and nothing. No clicks, no unlock, no start. If your car key fob battery has died ... BMW, and ...

For those who are extremely cautious, removing the battery from your key fob is the most foolproof way to disable it. Of course, this also means you'll have to manually unlock your car with the key.