Owner's book · not a shop
Open HoodKnow the car. Then the window. Factory specs in plain English — don't authorize until you can say this at the counter.
Owner's book · not a shop
Open HoodKnow the car. Then the window. Factory specs in plain English — don't authorize until you can say this at the counter.
Guides
Beginner · short stepsExpert · spec · code · mm
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How-to · Tires · PSI, rotate, spare, TPMS
DIY-safe driveway job
A string plug from the outside is a get-home hack. A proper repair is from the inside: injury removed, patch-plug through the tread center. Shoulder and sidewall punctures are scrap. This is the film you want if a shop says they “fixed” a tire.
Safety
Steps · beginner-friendly
Tools
No special tools.
Parts
No parts to buy first.
TIA - Tire Safety Starts Here
Tire Safety Starts with Proper Tire Repair
The Tire Industry Association shows why an inside repair matters and how a bad plug can separate a belt.
Watch on YouTubeIf you are not DIY · say this instead
If this puncture is in the center tread, I want an industry inside repair, not a string plug. If it is in the sidewall, replace the tire.
Ask at the shop
Ask them to show the injury on the inside of the tire. No photo, no authorization.
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Tires
Change a flat and use the spare
A flat on the shoulder is a roadside job, not a personality test. You loosen the lugs on the ground, lift at the factory point, swap the spare, and torque when it is down. The donut is a get-home tire — 50 mph, short distance, then a real tire.
Tires
Rotate the tires
Front tires wear differently than rears. Rotation moves them so a set lasts longer. Directional tires (arrow on the sidewall) can only swap front-to-back on the same side. After a rotation, reset TPMS if the car needs a relearn, and torque the lugs in a star.
Tires
Set tire pressure from the door-jamb sticker
The number on the tire sidewall is a maximum, not your fill target. Your car’s cold PSI is on the driver’s door sticker. Low tires wear the edges, waste fuel, and light the TPMS horseshoe. Check them cold — before you drive.
Tires
Understand and reset a TPMS light
A solid horseshoe means a tire is low. A flashing horseshoe usually means a dead sensor battery or a failed relearn after a rotation. Air the tires to the door sticker first. Then drive. Only then chase sensors.
Parts · tires