Originally Posted by Green Cloverleaf
Couldn't you take a picture of the infra-red signal on your cameraphone, send it as a multimedia message, then play it back at the car to unlock it?
Not unless you have an IR camera ! And how do you get IR signals out of your 'phone ?
Not an expert on car locking systems but are they not mostly RF devices ?
Back to square one then ! I think that the message has to be " Don't lose your keys ! "