Geez, doesn't anybody read my posts the first time around:
To activate the door lock heater pull up on the door handle. These really work,
I had a little melted spot of frost around my lock the other day.
If you are not so fortunate: keep your lock de-icer in your coat pocket, not in
the glove compartment. Think about it...
On the theme of the whole door frozen shut: DO NOT force this open. It is easy
to rip the rubber away from the car. Go around, wait, do something else. To
help stop this: spray/wipe your car with a silicon lube, then lightly coat with
talcum powder, or (neighbors recommendation, I find it messy) smear vaseline on