my tire sensors are not working, and my lumbar on the lower part of the driver seat not working
As for the tire sensors - take to your local Cadillac dealer. If one is not available, any GM dealer should work. They have a handheld device that the mechanic will scan each tire with and reset the TPMS. Takes only a minute or two to do this. If by chance the battery in each TPMS has failed, the mechanic will be able to tell you. This can usually be done in the service lane without having to leave the car.
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