NOTE: The second lock button push arms the perimeter alarm. It Also turns off the courtesy lights and dash + radio within 1-2 seconds. AND VERIFIES THAT THE LOCK WAS SUCCESSFUL BY HONKING ONCE AND IF HOOD IS NOT LATCHED OR ANY OF DOORS WERE NOT COMPLETELY CLOSED IT WILL HONK TWICE! (I have not checked but possibly also verifies cabin is unoccupied). I have left a door open or hood unlatched to even the first/second release to verify double honk works.Agreed. I like the honk because it confirms for me that I did indeed lock the truck properly.
When my wife is driving alone, unlocking only the drivers door is a choice of safety for her.
Have not verified but also should check lock successful with second fob inside cabin.
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