Any locking lug nuts are dealer or previous owner installed. Check console, glovebox and inflator holder for the "lock socket".
Curious, did you take advantage of your 5 year 100,000 mile GM roadside assistance?
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Perfect Blue Metallic, 6M, Roto-Fab CAI, fuse relay, radiator and engine covers, ClearShield Pro, Solo Performance axle back exhaust, Maverick Man strut tower caps, billet SS abs cover, BMR components, MGW short throw shifter, LIVERNOIS MOTORSPORTS 2R MAXX cam, Powerstorm heads, ported throttle body/intake, billet rocker bases ARH long tubes with catted x, 496RWHP
#2564 of 3168 for 2015, 1 of 273 PBM SS's ever produced, 1 of 77 in PBM with Tremec TR6060, #38 of 44 PBM as optioned