EL-50448 TPMS Relearn Tool for GM Tire Sensor TPMS Reset Tool Tire Pressure Monitor system Activation Tool OEC-T5 for GM Buick/Chevy/Cadillac Series Vehicles 2023 Edition

Tips: This product is not compatible with all models, please carefully look at the following pictures; and this product requires its own 9v batteryWhy You Need the TPMS Tool·After tire rotation – let the ECU quickly relearn each wheel’s position.·After installing new TPMS sensors – airing up/down won’t make the car recognize new sensors; a relearn is required.·After fixing low pressure/leaks or replacing tires/sensors – reset TPMS to clear warnings.·When the TPMS light stays on – after service, perform a reset to turn the light off.·When swapping seasonal tires – relearn positions after switching winter/summer sets.How to Use (TPMS Relearn)·Insert a new 9V battery (not included).·Enter TPMS Learn Mode on the vehicle (horn beeps twice).·Hold the antenna at the valve stem of the Left Front tire, then press & release the power button (beep = success).·Repeat in order: LF RF RR LR.·Double horn beep = relearn finished.Tips Before Using·Compatibility: Works with vehicles using 315/433 MHz OEM TPMS sensors.·Battery: Use a brand-new 9V battery (not included). Battery voltage directly affects signal strength.·Positioning: Keep the antenna at the correct angle/spot by the valve. Front wheels should be straight.·Environment: Perform the relearn outside, not inside a garage (better signal).·Timing: Reset time can vary by vehicle—allow a short pause at each wheel.·OEM sensors only: This is a reset/relearn tool (does not program new IDs). Ensure sensors are OEM and in good condition/charged.·Not supported: Heavy trucks with more than 4 tires or vehicles with external/add-on TPMS.Key Benefits·Save time & money: One-button activation resets sensors in about 1–2 minutes—skip dealer visits.·Essential & easy: Ideal after rotation, tire/sensor replacement, or seasonal changes.·Built for accuracy: High-sensitivity chipset + ENIG (immersion-gold) PCB for stable, precise signaling.·Safer driving: Restores accurate tire pressure monitoring to help prevent under-inflation risks.Compatibility (Year Range)·Updated 2025 Coverage: Designed for most GM vehicles (2006–2025) — Chevrolet / Buick / GMC / Cadillac / Opel equipped with 315/433 MHz OEM TPMS.·Not suitable for heavy trucks with >4 tires or vehicles using external/add-on TPMS systems.