Interestign thing about Car Alarm and cell phones.
 

LONG-DISTANCE KEYS
If you lock your keys in the car and the spare keys are at home, and you have remote-control entry, call someone on your cell phone (or borrow one). Hold your cell phone about a foot from your car door and have the other person on the other end of the phone press the "unlock" button of your key-fob clicker, holding it near the phone on their end. Your car doors will unlock. Saves someone from having to drive your keys to you.

Distance is no object -- you could be hundreds of miles away....

:1orglaugh Did you lock yourself out of your car while making your daily Sharky's run? :1orglaugh

Such a false myth lol.

wow...gotta try that sometime.....when i am drunk :-)

Try it...

It doesnt work my buddy tried it the other day

Are you serious,

I got to try this one today...

Gary

its a hoax, doesnt work.

gonna try it right now...ill be back with results in 5 min

Pure urban legend. The signal will not travel over a phone line.

I don't need to try it because people who actually know how car alarms work know this will not work.

That would work if it was sound that unlocked it, but it's not... it's a radio frequency... which does not travel through a cell phone.

Bull shit :1orglaugh

false...its a myth.

nevermind

That myth has been around for a while now.

Depends on the remote control I'd imagine. My infra-light one probably doesn't travel well after converted to GSM signal. I would also assume that even if it used radiowaves the GSM (CDMA2000) would alter the signal enough for it not to work anymore, since the signal is compressed.

But if YOU've tried and managed to get it to work, I'll take that back.

If I got a penny for everytime someone posted this here.

Cell phones do not emit radio waves lol.

Sure they do. How else would they communicate with the tower?

Lol. that's how they work.
..however I don't think they send some OTHER radiowaves other than the one they use to communicate with. lol

exactly. You can't transmit a radio wave through a phone line, then through the air to the cell phone and then out of the cell phone.