Quote:
Originally Posted by Lotus7
1. The TPMS should not respond to the spare tire in the trunk since it's not rotating and its transmitter should not be on. It also will be shielded from the TPMS pick-up antennas by the metal trunk floor. The TPMS transmitters are battery powered active devices that transmit at 433 mHz. They shut down to conserve battery power when the wheel is not rotating.
2. As soon as you mount the spare, you should go through the quick TPM reset procedure which will recognize the "new" transmitter. Takes about 0.6 miles to work.
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Cool. I figured that the sensor in the tire would be rotation sensitive.