Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to let air out of a tire [title] Locate the valve on your tires. [step] The valve is usually found in between the spokes near the middle of your tire. The valve stem should look like a short 1-2 inches (2.5-5.1 cm) tube protruding from your tires.

Ending1: [title] Turn the valve clockwise to open it. [step] Hold the handle at its lowest point, not the valve's stem. Ending2: [substeps] There may also be another valve on the underside of your tire on the side opposite of the one you're observing. If there are multiple valves, the valve stem may also be housed within the one you're observing. Ending3: [title] Locate the inside edge of the tire. [step] To identify the inside edge of the tire, look for the star-shaped hole where the valve stem connects to the tire. Ending4: It will usually have a black or metal cap on the end of the stem. [substeps] The cap on the stem keeps dirt and dust off your valve.

Answer format: ending1/ending2/ending3/ending4