Check Car Model
Sierra 1500
1GTSKWE3AZ30   3GTRKUEAAG30   3GTRKWE3AG30   3GTRKVE3AG30  
Yukon
1GKUKAE0AR20  
Sierra
3GTRKVE3AG00   3GTRCVE0AG30  
C5500
1GDE5C19AF40  
Acadia
1GKLVNEDAJ20   1GKLVMEDAJ00   1GKLVMEDA110   1GKLVNEDA120  
Terrain
2CTALBEWA600   2CTFLEEYA600   2CTALDEWA600   2CTFLJEYA600   2CTFLJEYA640   2CTFLEEYA640   2CTALDEWA640