YO, here is a list of RPO Codes I have on my Solstice. It's not complete, but maybe you can mix and match.
AU0 Keyless entry, remote
AU3 Door locks, power
A31 Windows, power
A50 Seats, front bucket
B32 Floormats
C60 Air conditioning, front
D48 Mirrors, outside rear view, power
E2C Expedite to Customer
FE2 Suspension System (base) Bilstein coil-over shocks
FE9 Emissions, Standard Federal requirements
GW1 Rear axle, 3.91 ratio
G80 Differential, limited slip, rear
IP2
JL9 Brakes, 4-wheel antilock
KG7 Generator 125 AMP
K34 Cruise control
LE5 Engine, ECOTEC 2.4L DOHC, 4-cylinder, SFI
MA5 Transmission – Man 5 spd. Aisin 82 mm 3.753 1st, 0.729 5th
MM5 Transmission, 5-speed manual
NT9
N34 Steering wheel, 3-spoke (LEATHER)
PCQ Premium Package
OFX Tires, P245/45R18 all-season, blackwall
QF8 Wheels, 18" (45.7 cm) aluminum, polished
ROO
R6P Premium Paint
R9N Leather Seat Trim
R9Z Control Sales item
SLL Order Modification Orders Sold
T96 Fog lamps, front
UK3 Steering wheel accessories
UQ3 Sound system feature, Monsoon premium speaker system
US6 Antenna, fixed-mast
US8 Sound system, ETR AM/FM stereo with CD player and MP3 playback
U2K Sound system feature, XM Satellite Radio
U68 Driver Information Center
VY7 Shift knob, leather-wrapped
V73 Vehicle Statement US/Canada
WIL Plant Code - Wilmington, DE, USA
ZQ2 Power Package, includes (A31) Windows, power, (AU3) Door locks, power, (AU0) Keyless entry, remote and (D48) Mirrors, outside rearview, power, remote control, electric, body-color
ZQ3 Convenience Package, includes (K34) Cruise control, (U68) Driver Information Center, (T96) Fog lamps and steering wheel accessory cruise control and Driver Information Center controls
1SA Standard Package w/Options
1SZ Preferred Equipment Group - OPTION PACKAGE DISCOUNT
19T Top Color - Convertible, Black
311
312 Steel/Sand Interior trim
67U Cool (Liquid Silver Metallic)
BC/CC Base Coat/Clear Coat
U-994L Touch-up Paint