How do I change the speedometer to match my tire size?
Press the button again and drive the distance prescribed by the speedometer manufacturer. Press the button a third time after you have driven the designated distance. After pressing the button the third and final time, the speedometer will recalibrate itself to fit the new tire size.
Does changing tire size affect TPMS?
Changing the tire/wheel size from original specs will be affected. Therefore, the TPMS system is also designed around the tire/wheel size.
Can I change the wheel size on my car?
When changing the car’s original wheels and tires, the general rule of thumb is that you can go up or down by one inch. For example, if your car is currently riding on 17-in wheels, you can reduce the size to 16 inches. Many times, a sport package option will increase both tire size and the suspension’s stiffness.
Are all TPMS sensors the same size?
Although 315 MHz and 433 MHz sensors are identical in size and shape, they are not interchangeable. Always make sure the correct sensor is being used. A RKE-TPM Analyzer can be used to determine the sensor’s frequency without having to dismount the tire.
What do I need to know about changing the size of my tires?
When changing the diameter of your rims, you must make sure that the new assembly keeps the same overall diameter as the old or your speedometer and your traction control settings will be off. Tires are sized using a three-number code, such as .
How can I reprogram my car to change the tire size?
You can reprogram a vehicle when changing tire size using an on-board diagnostics system, or OBDII. OBDII systems are in most cars and light trucks, and were introduced in the mid 1990s. This diagnostics system monitors parts of the chassis, accessory devices, as well as tire size.
How does a change in tire size affect speedometer accuracy?
If your average time is off by 3 seconds or more, your speedometer is likely in need of re-calibration. If you have changed out the tire and wheel package, the OD and resulting change in revolutions per mile is likely the cause.
Can a lower profile tire be placed on a larger wheel?
A lower profile tire must be placed on a larger wheel to keep the OD close to the same as the tire/wheel combination being replaced. You certainly never more than a 5% difference in OD to the original tire.