To go out about 5min. early and turn the car on and heater so that the car can be warm when you leave.
thermostat can be stuck open
ggd
NO! This has no effect on the timing belt.
Yes, in fact it will almost always warm up quicker while driving.
Global warming:)
It's Pontiac that's your problem.
The most likely cause of a long warm up time would be that the thermostat has jammed in the open position
warming up
Could be several reasons, first one I would check would be a stuck open thermostat.
I would say if you have ice or frost on the windshield it would be best to let the car warm up for 10 minutes or so to help you clear the windshield.
the sun
global warming