Mel R. Buckner Posted July 19 Share Posted July 19 My tire low pressure light remains on although I've checked all four tires with pressure gauge and they read good. Could the low tire be the spare? Quote Link to comment Share on other sites More sharing options...
RX400h Posted July 19 Share Posted July 19 2 hours ago, Mel R. Buckner said: My tire low pressure light remains on although I've checked all four tires with pressure gauge and they read good. Could the low tire be the spare? Quote Yes, it’s possible that the low tire pressure warning light is on because of the spare tire. The 2009 Lexus RX350 is equipped with a Tire Pressure Monitoring System (TPMS) that monitors the pressure in all five tires, including the spare. Here are a few steps you can take to resolve this issue: Check the Spare Tire: Ensure the spare tire is inflated to the recommended pressure, which is typically higher than the regular tires. For the RX350, the spare tire should be inflated to 60 psi. Reset the TPMS: After checking and inflating all tires, including the spare, you may need to reset the TPMS. To do this: Turn the ignition to the “ON” position. Locate the reset button under the dash panel on the driver’s side. Press and hold the reset button until the TPMS light blinks three times. Drive for a Few Miles: Sometimes, the TPMS light will turn off automatically after driving for a few miles once the tires are properly inflated. If the light remains on after these steps, there might be an issue with one of the TPMS sensors, and it could be worth having it checked by a professional. Quote Link to comment Share on other sites More sharing options...
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