Manhattan NYC Tire Change Useful Tips Guide: Before you get a flat tire you should prepare for one Manhattan NYC Tire Change Useful Tips Guide: Before you get a flat tire you should prepare for one … A ) Carry in your trunk a good or new tire for a spare. The tire should be 10 points pressure over the recommended tire pressure in your manual. This extra pressure of air keeps a tight seal around the tire and rim. Carry a 4 way lug wrench (this type of wrench has the best lever