It's stock... you shouldn't have to order it. Did you turn the switch on? Not sure where the switch is, but it should be in the manual.
I do believe it is switchable.
If not take it to the dealer and get it put in, it's stock on the 2LT and 2SS
I buy all my LED and vehicle lighting from
www.oznium.com
very good prices and selection. They don't have "CAMARO" specific kits, but if you know what you're doing, good stuff.