Yes all the door locks have to work and do seem to be working.
One thing I have noticed is that you can't open the door with the door handle when it is locked. This is slightly frightening as in an emergency you need to figure out how to unlock the door before you can open it.
I was able to get it to go into remote programming mode using a series of ignition cycles, door cycles, and door lock cycles. This was confirmed by the chirp. But have been unable to get it into door lock programming using the combination of key cycles and door cycles as described in the manual...
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