Car Lab: Space-saving spare tires behind scenes

A space-saver tire is a smaller spare wheel than the norm for a car to a garage if it is broken. Space-saving style pneumatics are only for emergency use and not to act as a standard road pneumatic tire. For space saver pneumatics, there are a few things to remember. The general rule of thumb is, before you change the dung with a new tire, to travel no more than 70 miles and no quicker than 50 miles/hour.

When someone comes to you an....