As shown in the video above, Remote Rev works by first remotely starting the engine when the holder presses the lock button on the Mustang's key fob once and then presses the remote start button ...

JDI's universal push button start fits into the factory ignition hole without any modification. Four bendable tabs act as retainers on the back side of the column to hold it firmly in place.

On the start/stop button itself. Some cars have a built-in RFID reader that still recognises the fob when it’s pressed directly against the button. Inside the centre console or armrest.