Cadillac tire pressure light reset
To reset the tire pressure light on a Cadillac (Most models): With the parking brake set and ignition ON/RUN (engine off), press and hold both the lock and unlock buttons on the key fob until the horn chirps. Work through each tire in GM's specified sequence, releasing air until the horn confirms each one. Refill all tires to placard pressure afterward.
Key takeaways
- Inflate every tire to the door-jamb pressure first - the light is telling you something.
- 1 procedure listed for Cadillac, by model year or family.
- Some years need an OBD-II or TPMS tool - no button sequence exists.
- If it does not work, confirm your exact year in the owner's manual.
Most models
Needs an OBD-II or TPMS tool
- With the parking brake set and ignition ON/RUN (engine off), press and hold both the lock and unlock buttons on the key fob until the horn chirps.
- Work through each tire in GM's specified sequence, releasing air until the horn confirms each one.
- Refill all tires to placard pressure afterward.
A GM TPMS relearn tool is the more reliable route and is explicitly sold for Cadillac/Buick/GMC/Chevrolet.
Source: aviondemand.com - GM TPMS: The Setup and Relearn Procedures - independent references, not the manufacturer.
Tools that help
These fit any car. A gauge that reads to 0.5 psi takes the guesswork out of the relearn.
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