Features: TPMS Relearn Reset Activation Tool works on most GM series vehicles (Chevy, Buick, GMC, Cadillac, etc.), including cars, SUVs, and pickups equipped with Tire Pressure Monitoring (TPM) systems. The EL-50448 TPMS reset tool simplifies reprogramming all tires in just three steps, with tire reset activation completed in 12 minutes. It quickly resets tire sensors after tire rotation or when installing a new tire. To use, hold the tool against the tire sidewall near the valve stem and press the Learn button while maintaining contact. This tire pressure monitor sensor activation tool is simple, fast, and easy to use, activating individual TPM sensors with the press of one button. Designed for GM series vehicles manufactured after 2010.Specifications: Model Name: EL-50448 Material Type: High-grade plastic & metal Power: 9W Voltage: 12V Battery: No battery required Function: Automatic tire pressure monitor sensor reset tool Item Size: 9 x 6 x 3 cm (3.54 x 2.36 x 1.18 in) Item Weight: 150g (5.29 oz)Step 1 Enter Learning Mode - Set the gearshift lever to "P" - Turn the ignition switch to "ON" - Access the tire pressure display through the DIC - When DIC shows "Press Set / Ctrl to re-learn", press the "Set / Ctrl" button - The turn signal will illuminate for 3 seconds and the horn will beep twice, indicating entry into learning modeStep 2 Read Tire Pressure Sensor Information - Begin with the front-left wheel - Position the EL-50448 tool antenna near the valve core, close to the rim of the tire sidewall - Activate the tool using the start switch - A single horn beep indicates successful reading of the tire pressure sensor informationStep 3 Repeat for Remaining Tires - Follow the same procedure for the front-right, rear-right, and rear-left wheels - Once all sensors are learned, the turn signals will illuminate for 3 seconds and the horn will beep twice, confirming completion of the learning processCompatible Models: 20102013 GM vehicles including: - Acadia, Enclave, Traverse (VIN R/V) - Allure, LaCrosse (VIN G) - Antara, Captiva, Terrain, Winstorm - Avalanche, Escalade, Suburban, Tahoe, Yukon (VIN C/K) - Aveo, G3, Barina (VIN S/T) - Buick Excelle, Buick Regal (China) - Camaro (VIN F) - Canyon, Colorado (VIN S/T) - Cobalt, G5 (VIN A) - Corvette (VIN Y) - Cruze (including China models) - CTS (VIN D) - Daewoo Lacetti - DTS (VIN K) - Equinox, Terrain (VIN L) - Express, Savana (VIN G/H) - G6 (VIN Z) - H3/H3T (VIN N) - HHR (VIN A) - Impala (VIN W) - Insignia - Lucerne (VIN H) - Malibu (VIN Z) - Opel/Vauxhall Astra - Sierra, Silverado (VIN C/K) - SKY, Solstice (VIN M) - SRX (VIN N) - STS (VIN D) - VE/WM - Sedan, Sportwagon, Ute, Lumina, Caprice, HSV - VUE (VIN Z), Captiva Sport - Orlando - Regal (VIN G) - Ampera, Volt (VIN R) - Alpheon - Zafira-C - Sonic - Verano - Opel Combo-D - Optra, Viva (VIN J) - S10 (South America)