Transmitter (Ignition Key)
Ignition key contains a tiny battery and transmitter. When you press the transmitter button (on rim of ignition key), it sends a weak radio signal to the rear defogger grid, which acts as an antenna.
Ignition key contains a tiny battery and transmitter. When you press the transmitter button (on rim of ignition key), it sends a weak radio signal to the rear defogger grid, which acts as an antenna.