that if you are to far away from your car for the key to work you can put it towards your head (or chest) and it will increase the range of your car key and thus either lock or unlock the car.
If you did not know this, next time you are going out for a drive, do some tests
Edit: it´s actually quite nice when you forgot exactly where you parked the car in a shopping mall parking lot.
Just put it against the temple and press and it should find your car.
If you did not know this, next time you are going out for a drive, do some tests
Edit: it´s actually quite nice when you forgot exactly where you parked the car in a shopping mall parking lot.
Just put it against the temple and press and it should find your car.