This hiking tip that went viral on social media may sound smart, but experts are saying quite the opposite. 

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If you've been on Facebook lately, you've probably seen some viral advice about what to do if you're in trouble with a low battery. It looks a little something like this:

The Center for Wilderness Safety's Facebook page reminded us that you can't change your voicemail without cell service, and it's not a good idea to waste your battery doing that.

Instead, they urge you to stay put and call or text 911 right away (I didn't even know you could text 911). And, of course, make sure all of your apps are closed, so you don't waste any more unnecessary battery power.

Check out the potentially life-saving post below: