Lishi GM45 2-in-1 Pick & Decoder is designed for the new Pontiac G8 Locks, which use the GM45 keyway, and it works for Ignition, Door and Trunk locks.
Lishi GM45 can be used by professional locksmiths to complete the job in about three minutes. The GM45 is a 2 track external keyway, and it has 8 cut 6 depth (1-7 cut are used in DR/BT locks, and 8th cut is in Ignition lock, when you pick it you can decode 1-7 cut, and then cut the 8th cut from 1-6 depths and test to work with the ignition lock).