i'm inclined to go with PoD's theory as well. simple test #2. tape a dime onto
the door, immediately opposite the door plunger/switch. close door and drive
around and see if this moderates or abates the symptoms. if so, it's that silly
switch. fortunately, it's < $20.

that switch can also manifest itself through lights on, alarm not setting properly
etc.

temperature: theory.... cold contracts metal and the parts have more gap. hot,
it expands and gap between door/jamb is less. ¿¿

__________________
-- raymond~
47º 34'N 122º 18'W