I think what they're getting at is that she's driving alone and all this crazy shit happens and she doesn't get a flat tire or anything, so she doesn't have to be stranded or try to change it herself, which would actually be scary in some places especially before cell phones.
This was truely a revolution in tire technology. Finally a tire that does not melt, explode or refuse to turn when exposed to entrogen behind the wheel. Bravo goodyear for empower women with the ability to drive.