Simple. Turn the radio off when you leave the truck. I have a systematic way of exiting my truck:
Heated Seats Off.
Radio volume all the way down.
Radio Off.
AC/Heat Off.
Parking Lights on/headlights off (if at night).
Open door.
Turn parking lights off.
Close door.
Heated Seats Off.
Radio volume all the way down.
Radio Off.
AC/Heat Off.
Parking Lights on/headlights off (if at night).
Open door.
Turn parking lights off.
Close door.