Coloradans are not strangers to winter-storm warnings that require chains to be placed on tires, but many drivers don't know exactly what that means. The old style of chains were difficult, but the new designs take less than a minute to attach to a tire.
"They look a little complicated, but they're easy," says Hotchkiss. "Set them in front of the car and drive right over them."
On cold mornings, commuters like to warm up their cars' engines. The mechanic says he has a trick to speed things up.
"Start it up and put it in gear. Put a load on it right away," says Hotchkiss. "It will warm up three times faster than sitting there idling."