Question: what tools to change tires?
Answer: Spare tire (if you're dealing with a flat and not just rotating tires or accessing the brakes)
Carjack.
Lug wrench.
Wheel wedges.
Work gloves.
Tire repair kit (if you're attempting to fix your flat tire)
Flare/reflective triangles (if you're changing the tire on the side of the road or in a parking lot)