For GM vehicles equipped with a 315 or 433 MHz Tire Pressure Monitoring (TPM) system, a "Sensor Re-Learn Procedure" must be performed after tire rotations, Remote Control Door Lock Receiver Module replacement, or Tire Pressure Sensor replacement. This re-learn procedure can be performed by using the special tool EL-50448. Also works on 2014 for GM models EL-50448 TPMS reset tool can help you reprogram all tires much easier just with 3 steps Ensure that the vehicle is in the TPMS Learn Mode, and follow the service procedure Hold tool against the sidewall of the tire, near the valve stem. Depress Learn button while holding the tool against the tire sidewall The Tire pressure monitor sensor activation tool is simple, fast and easy to use, activates the individual TPM sensor with the press of one button This TPMS reset tire pressure monitor sensor tool is suitable for GM Series Vehicle after 2010 Specifications: Model Name: EL-50448 Material Type: High plastic + Metal Power: 9W Voltage: 12V Tips: no battery Function: Auto Tire Pressure Monitor Sensor Reset Tool Supports Car: for gm/opel Item Size:9*6*3cm/3.54*2.36*1.18in Item Weight:150g/5.29oz How to Use: Step 1 - Enter leaning mode Set the gearshift lever to "P" Put the ignition switch to "ON" Enter the interface of tire pressure display by DIC DIC shows "Press Set / Ctrl to re-learn" Press "Set / Ctrl" The turn signal is lighted for 3 seconds and the horn beep sound twice to enter the learning mode Step 2 - Read tire pressure sensor information Start from the front-left wheel, Make the J-46079 or Diagnostic Tool EL-50448 antenna up against the valve core position & close to the rim of the tire sidewall El-50448 tire pressure tool starts by the start switch Successful to read the tire pressure sensor information when the horn beeps once Step 3 - Same method to read other tire pressure information Follow the instructions above to read the tire pressure of the front-right, rear-right, rear-left wheels. Turn signals are lighted for 3 seconds and the horn bleeps twice when the learning is complete. Compatible Vehicle List: 2010 9-5 2010 Acadia, Enclave, OUTLOOK, Traverse (VIN R/V) 2010 Allure, LaCrosse (VIN G) 2010 Antara, Captiva, Terrain, Windstorm 2010 Avalanche, Escalade, Suburban, Tahoe, Yukon (VIN C/K) 2010 Aveo, G3, Barina (VIN S/T) 2010 Buick Excelle 2010 Buick Regal (China) 2010 Camaro (VIN F) 2010 Canyon, Colorado (VIN S/T) 2010 Cobalt, G5 (VIN A) 2010 Corvette (VIN Y) 2010 Cruze (China) 2010 Cruze 2010 CTS (VIN D) 2010 Daewoo Lacetti 2010 DTS (VIN K) 2010 Equinox, Terrain (VIN L) 2010 Express, Savana (VIN G/H) 2010 G6 (VIN Z) 2010 H3/H3T (VIN N) 2010 HHR (VIN A) 2010 Impala (VIN W) 2010 Insignia 2010 LaCrosse (China) 2010 Lucerne (VIN H) 2010 Malibu (VIN Z) 2010 Opel/Vauxhall Astra 2010 Sierra, Silverado (VIN C/K) 2010 SKY, Solstice (VIN M) 2010 SRX (VIN N) 2010 STS (VIN D) 2010 VE/WM - Sedan, Sportwagon, Ute, Lumina, Caprice, HSV 2010 VUE (VIN Z), Captiva Sport 2011 Acadia, Enclave,