Sharia law would also work: Theft (stealing in secret) is punished by the amputation of the offender's right hand, and armed or highway robbery may be punished by execution, crucifixion, or amputation of hands and feet from opposite sides of the body, depending on the severity of the offense.
What happened to you really sucks, sorry to hear about it. I do not know your circumstances why you left your stuff in the truck, very difficult and expensive lesson to learn. The thieves should be taken out back and beat to within an inch of their lives, perhaps they would learn their lesson.
Tire pressure drops in colder weather because the air becomes more dense. I religiously check pressure once a month. If I know the air temps will drop, I will add a few PSI's to compensate for the change, knowing what the tire placard states as the recommended value.
Short answer is no. I am not concerned with used car prices because I will not be trading anything. I may pay cash for the Mav. That is not always a good strategy, depends upon if interest rates are below the rate of return on my investments. I tend to pay off any loans within a year or two...