If you're driving down the road an get a flat tire, it's important to replace the tire. Driving on a flat tire can be dangerous.

The first step in changing a flat is touse the flat end of your tire iron to pry off your hubcap. After that's done, loosen your lug nuts, but do not remove them. Next, get ready to jack your car up. Look for a sturdy flat spot underneath your car to jack it up, leaving yourself enough room to work with the tire. After the car is jacked up, remove the lug nuts and take off the flat tire. Replace the flat with the spare, then tighten the lug nuts as much as you can without exerting force. Lower the car, and when it's down, tighten the lug nuts as tight as possible. Now your car should be safe to drive.

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