Originally Posted by smg32208

it deff works for me. my car is on my driveway. i went behind my house and did it. still worked. but i tried it at school today with my friends phone and it didnt work? i guess it depends on the phones you have. or how good the signal is or something. and i know its working through the phone cuz when i pull my phone away from my keys and do it, it no longer works. o well. all i know is ill never have to worry about being stranded.