Item description: Tire Pressure Monitor Sensor TPMS Activation Tool EL-50448 OEC-T5 For 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 special tool EL-50448 2001 forDeVille (VIN K) Service Manual 2001 forSeville (VIN K) Service Manual 2002 forCorvette (VIN Y) Service Manual 2002 forDeVille (VIN K) Service Manual 2002 forSeville, Seville RHD (VIN K) Service Manual 2003 forCorvette (VIN Y) Service Manual 2003 forDeVille (VIN K) Service Manual 2003 forSeville (VIN K) Service Manual 2004 forAvalanche, forEscalade, forSuburban, forTahoe, forYukon (VIN C/K) Service Manual 2004 forCorvette (VIN Y) Service Manual 2004 forCTS (VIN D) Service Manual 2004 forDeVille (VIN K) Service Manual 2004 forSeville (VIN K) Service Manual 2004 forSRX (VIN E) Service Manual 2004 forXLR (VIN Y) Service Manual 2005 forAvalanche, Escalade, Suburban, Tahoe, Yukon (VIN C/K) Service Manual 2005 forCorvette (VIN Y) Service Manual 2005 forCTS (VIN D) Service Manual 2005 forDeVille (VIN K) Service Manual 2005 forSRX (VIN E) Service Manual 2005 forSTS (VIN D) Service Manual 2005 forXLR (VIN Y) Service Manual 2006 for9-7x (VIN S/T) Service Manual 2006 forAvalanche, forEscalade, forSuburban, forTahoe, forYukon (VIN C/K) Service Manual 2006 forCorvette (VIN Y) Service Manual 2006 forCTS (VIN D) Service Manual 2006 forDTS (VIN K) Service Manual 2006 forEnvoy, Rainier, TrailBlazer, Ascender (VIN S/T) Service Manual 2006 forH3 (VIN N) Service Manual 2006 forHHR (VIN A) Service Manual 2006 forImpala, forMonte Carlo (VIN W) Service Manual 2006 forSierra, Silverado (VIN C/K) Service Manual 2006 forSRX (VIN E) Service Manual 2006 forSTS (VIN D) Service Manual 2006 forXLR (VIN Y) Service Manual 2007 for9-7x (VIN S/T) Service Manual 2007 forAcadia (VIN R/V) Service Manual 2007 forAllure, LaCrosse (VIN W) Service Manual 2007 forAURA, BAS Hybrid (VIN Z) Service Manual 2007 forAvalanche, Escalade, Suburban, Tahoe, Yukon (VIN C/K) Service Manual 2007 forCanyon, Colorado, I-290, I-370 (VIN S/T) Service Manual 2007 forCaptiva (Thailand) Service Manual 2007 forCaptiva, Terrain, Antara (VIN C) Service Manual 2007 forCorvette (VIN Y) Service Manual 2007 forCTS (VIN D) Service Manual 2007 forDTS (VIN K) Service Manual 2007 forEnvoy, Rainier, TrailBlazer, Ascender (VIN S/T) Service Manual 2007 forEquinox, Torrent (VIN L) Service Manual 2007 forGrand Prix (VIN W) Service Manual 2007 forH3 (VIN N) Service Manual 2007 forHHR (VIN A) Service Manual 2007 forImpala, Monte Carlo (VIN W) Service Manual 2007 forLucerne (VIN H) Service Manual 2007 forOUTLOOK (VIN R/V) Service Manual 2007 forSierra Classic, Silverado Classic (VIN C/K) Service Manual 2007 forSierra, Silverado (VIN C/K) Service Manual 2007 forSRX (VIN E) Service Manual 2008 for9-7x (VIN S/T) Service Manual 2008 forAcadia, Enclave, OUTLOOK (VIN R/V) Service Manual 2008 forAllure, LaCrosse (VIN W) Service Manual 2008 forAstra (VIN A) Service Manual 2008 forAURA, BAS Hybrid (VIN Z) Service Manual 2008 forAvalanche, Escalade, Suburban, Tahoe, Yukon (VIN C/K) Service Manual 2008 forCanyon, Colorado, I-290, I-370 (VIN S/T) Service Manual 2008 forCaptiva, Terrain, Antara (VIN C) Service Manual 2008 forCobalt, G5 (VIN A) Service Manual 2008 forCorvette (VIN Y) Service Manual 2008 forCTS (VIN D) Service Manual 2008 forDTS (VIN K) Service Manual 2008 forEnvoy, TrailBlazer, Ascender (VIN S/T) Service Manual 2008 forEquinox, Torrent (VIN L) Service Manual 2008 forExpress, Savana (VIN G/H) Service Manual 2008 forG6 (VIN Z) Service Manual 2008 forG8 Service Manual 2008 forGrand Prix (VIN W) Service Manual 2008 forH2 (VIN N) Service Manual 2008 forH3 (VIN N) Service Manual 2008 forHHR (VIN A) Service Manual 2008 forImpala (VIN W) Service Manual 2008 forLucerne (VIN H) Service Manual 2008 forMalibu (VIN Z) Service Manual 2008 forMalibu Classic (VIN Z) Service Manual 2008 forMontana SV6, RELAY, Terraza, Uplander (VIN U/V/X) Service Manual 2008 forSierra, Silverado (VIN C/K) Service Manual 2008 forSKY, Solstice (VIN M) Service Manual 2008 forSLS (VIN D) Service Manual 2008 forSRX (VIN E) Service Manual 2008 forSTS (VIN D) Service Manual 2008 forVUE, VUE Hybrid, Captiva Sport (VIN L) Service Manual 2008 forXL-7 (VIN L) Service Manual 2008 forXLR (VIN Y) Service Manual 2009 for9-7x (VIN S/T) Service Manual 2009 forAcadia, Enclave, OUTLOOK, Traverse (VIN R/V) Service Manual 2009 forAllure, LaCr