Power seats - check all the wiring under the seats for breaks. Something could be shorting out.
Foglights - it the indicator light isn't coming on maybe the switch is defective. Try popping the switch out and checking for current coming out when you switch it on.
Hot/cool air - sounds like an air mix door is not operating properly.
Foglights - it the indicator light isn't coming on maybe the switch is defective. Try popping the switch out and checking for current coming out when you switch it on.
Hot/cool air - sounds like an air mix door is not operating properly.