Hmm mine has just started this nonsense too - but is not related to where I am parked. It is as though the fob battereis are done but I replaced them, and the originals tested OK on a multimeter. the red LED is bright enough. It has gradually become less reliable, requiring numerous presses, and now it barely works at all. It is almost as though the frequency emitted by the fob has drifted so that it is harder to pick up by the board under the bonnet.
I only have one fob now as the other one stopped working entirely after the battery fell out - it then became completely unprogrammable and the LED just flashed when the button was pressed.
I am