How to Change a Flat Tire
A flat tire can happen without warning, whether you are commuting on a freeway, parking at a grocery store, or driving on a rural road.
Knowing how to change a flat tire can save time, reduce stress, and help you get moving safely again.
This guide explains the process in a practical way, including the tools you need, the safest order of operations, and common mistakes to avoid.
Before You Start: Safety Comes First
Before touching the tire, make the vehicle as safe as possible.
A flat tire can destabilize a car, especially if you are on an incline, near traffic, or stopped on soft ground.
- Move to a flat, stable location if possible.
- Turn on hazard lights immediately.
- Set the parking brake.
- Put the car in Park for an automatic transmission or in gear for a manual transmission.
- Keep passengers inside the vehicle unless it is unsafe to do so.
If you are on the shoulder of a busy road, stay aware of traffic.
If visibility is poor, use reflective triangles or roadside flares if you have them.
Tools You Need to Change a Flat Tire
Most passenger vehicles include basic roadside tools, but not every trunk is stocked the same way.
Check your owner’s manual to confirm the exact location of each item before you need them.
- Spare tire or compact temporary spare
- Car jack
- Lug wrench or tire iron
- Vehicle owner’s manual
- Wheel wedges or blocks
- Flashlight
- Gloves
- Reflective vest or triangles, if available
Some newer vehicles do not include a full-size spare tire.
Instead, they may come with a tire repair kit or sealant and inflator.
These are temporary solutions and may not be suitable for large punctures or sidewall damage.
Step 1: Secure the Vehicle
Once the car is stopped, place wheel wedges behind or in front of the tires to prevent rolling.
If you are changing a rear tire, wedge the front tires.
If you are changing a front tire, wedge the rear tires.
This step is important because even a slight slope can cause the vehicle to shift while it is raised on the jack.
Step 2: Remove the Hubcap or Wheel Cover
If your wheel has a hubcap or plastic wheel cover, remove it before loosening the lug nuts.
Some covers pop off by hand, while others require the flat end of the lug wrench or a tool from the spare tire kit.
Place the hubcap somewhere clean and safe so it does not get damaged or lost.
Step 3: Loosen the Lug Nuts
Use the lug wrench to loosen each lug nut slightly while the tire is still on the ground.
Do not remove them completely yet.
- Turn the lug nuts counterclockwise.
- If they are tight, apply steady pressure rather than jerking the wrench.
- Use your body weight carefully if needed, but avoid slipping.
Many vehicles use four, five, or six lug nuts.
Loosen them in a star or crisscross pattern if possible, especially on multi-lug wheels.
Step 4: Position the Jack Correctly
Locate the manufacturer-recommended jacking point in the owner’s manual.
This is critical because lifting the car in the wrong spot can damage the frame, rocker panel, battery housing, or suspension components.
Place the jack on solid ground and align it with the jacking point before lifting the vehicle.
Step 5: Raise the Vehicle
Slowly raise the vehicle until the flat tire is about 6 inches off the ground, or enough to remove and replace it comfortably.
The car should feel stable before you continue.
Never put any part of your body under a vehicle supported only by a jack.
A jack is for lifting, not for long-term support.
Step 6: Remove the Lug Nuts and Tire
Fully remove the loosened lug nuts and place them in a secure location, such as a cup, cap, or clean cloth.
Then pull the flat tire straight toward you.
If the wheel is stuck due to rust or corrosion, gently rock it or tap the tire from behind with your foot.
Avoid using excessive force, and do not place fingers between the tire and brake components.
Step 7: Mount the Spare Tire
Line up the spare tire with the wheel bolts and slide it onto the hub.
Once it is seated properly, thread the lug nuts on by hand.
Tighten the nuts enough to hold the spare in place, but do not fully torque them until the vehicle is back on the ground.
If you are using a compact spare, check the sidewall for maximum speed and distance limits.
Many temporary spares are rated for short-term use only.
Step 8: Lower the Car and Tighten the Lug Nuts
Lower the vehicle carefully until the tire touches the ground but still carries little weight.
Then use the lug wrench to tighten the lug nuts in a star pattern.
Once the vehicle is fully lowered, apply firm final tightening in the same pattern.
This helps the wheel seat evenly against the hub.
- Do not overtighten lug nuts with excessive force.
- Keep the wrench aligned to avoid stripping the nuts.
- Recheck tightness after driving a short distance if your owner’s manual recommends it.
Step 9: Stow the Flat Tire and Tools
Place the flat tire, jack, wrench, and wheel wedges back in the trunk or cargo area.
If you are carrying a damaged full-size tire, secure it so it does not roll around while driving.
If the vehicle uses a temporary spare, remember to have the original tire inspected and repaired or replaced by a tire shop as soon as possible.
Important Differences Between Spare Tire Types
Not all spares are the same.
Understanding the type in your vehicle helps prevent damage and unsafe driving conditions.
- Full-size spare: Matches your regular tires and may be used like a normal tire, depending on wear and condition.
- Compact temporary spare: Smaller, lighter, and limited in speed and distance.
- Run-flat tire: Can sometimes be driven for a limited range after losing pressure, but still needs inspection.
- Tire sealant kit: Designed for small punctures, not sidewall tears or major damage.
Common Mistakes to Avoid
Many roadside problems happen because of rushed or skipped steps.
Avoid these errors when changing a flat tire.
- Using the wrong jacking point
- Loosening lug nuts after raising the car
- Working on soft or uneven ground
- Forgetting to engage the parking brake
- Overtightening lug nuts
- Driving too fast on a temporary spare
- Ignoring visible damage to the wheel, valve stem, or sidewall
When You Should Not Change the Tire Yourself
There are situations where calling roadside assistance is the better choice.
If the vehicle is in a dangerous location, the wheel is badly damaged, or the jack point is inaccessible, do not risk injury.
Get professional help if:
- You are on a narrow shoulder or blind curve
- The lug nuts are seized or stripped
- The vehicle has broken suspension parts
- The spare tire is flat or missing
- You feel unsafe due to traffic, weather, or poor lighting
After the Tire Change: What to Check Next
Once you are back on the road, the job is not fully done.
A flat tire can point to a nail, pothole impact, valve leak, or internal tire damage that needs attention.
- Inspect the removed tire for punctures, cuts, bulges, or sidewall damage.
- Check tire pressure in all tires, including the spare if possible.
- Schedule repair or replacement with a certified tire technician.
- Verify that the vehicle’s tire pressure monitoring system, or TPMS, is functioning properly.
If you use a temporary spare, drive cautiously and follow the speed limit shown on the tire sidewall or in the owner’s manual.
How to Prepare Before a Flat Happens
The easiest way to handle a flat tire is to be ready before one occurs.
A few minutes of preparation can make a roadside emergency much more manageable.
- Check the spare tire monthly.
- Know where the jack and lug wrench are stored.
- Read the tire-changing section of your owner’s manual in advance.
- Keep gloves, a flashlight, and a reflective triangle set in the car.
- Learn the correct jacking points for your vehicle model.
Understanding how to change a flat tire is a practical driving skill that every motorist benefits from learning, and preparation makes the process faster, safer, and less stressful when the unexpected happens.