For decades, getting a flat tire usually meant one thing: open the trunk, pull out the spare, grab the jack and lug wrench, and get to work. But that's become less common lately.
Many modern cars no longer come with a traditional spare tire, leaving drivers with an inflation kit, run-flat tires, roadside assistance—or, in some cases, a surprisingly large empty compartment underneath the cargo floor. So where did the spare tire go?
