To figure out what tire pressure you need, start by referring to your vehicle’s user manual or the sticker on your driver-side front door. The perfect tire pressure for your car’s default tires should be listed there.
While this can be very helpful, it won’t be much help if you no longer use the type of tires your car came with. If that’s the case, you can bring your vehicle to T.O. Haas to get our professional opinion.