Since the key has to be programmed to work with the truck you can't just go to Home Depot and make a spare. There is a way to bypass the chip in the key but I forget how exactly.
07 LE CC 4x4
Volant CAI, Dynomax 19444 Exhaust, Airaid TBS, Cortex Tuned
Pioneer AVH-P4100 DVD w. BT, Infinity Kappas F&R, MB Quart 10" RSH 254, PowerBass ASA1100.5