GMC AUX-GM3x Installation Manual page 5

Where is the XM Tuner Module?
10.
See Table below for possible XM tuner module location
Make Model
Buick Allure
Enclave
LaCrosse
LeSabre
Lucerne
Rainier
Rendezvous
Terraza
Cadillac CTS
DTS
Deville
Escalade (EXT/ESV)
SRX
XLR
Chevrolet Avalanche
Cavalier
Colorado
Corvette Coupe
Corvette Convertible
Equinox
HHR
Impala
Malibu
Monte Carlo
Silverado
Suburban
Tahoe
XM Tuner Location
Left Rear Q-Panel
Right Rear Q-Panel
Behind Rear-Left Q-Panel (Trunk)
Left Rear Q-Panel
Left Rear Trunk
Above Pass-side dash Panel
Behind Glovebox
Above steering column
Rear Shelf (Deck) Left Side
Left-Rear (Trunk)
Behind Rear Seat/Left Q-Panel
Behind Glovebox
Behind Rear Right Q-Panel
Between Seats
Behind Glovebox
Rear Shelf (Deck) center
Behind Glovebox
Rear Left Q-Panel (above wheel well)
Between Seats inside hatch cover
Left Rear Q-Panel
Rear Right Q-Panel
Right Rear Q-Panel
Under Shelf (deck) left Side
Behind Rear Left Q-Panel
Behind Glovebox
Behind Glovebox
Behind Glovebox
Trailblazer
Uplander
Venture
GMC Acadia
Canyon
Denali/XL
Envoy
Sierra
Yukon/Denali
H2
Hummer
H3
Isuzu Ascender
Oldsmobile Alero
Bravada
Silhouette
Pontiac Aztek
Bonneville
Grand AM
Grand Prix
G6
G8
Montana
Sunfire
Vibe
Saab 9-7x
Saturn Relay
Behind Glovebox
Above Steering Column
Above Steering Column
Rear Right Q-Panel
Behind Glovebox
Behind Glovebox
Behind Glovebox
Behind Glovebox
Behind Glovebox
Behind Glovebox
Behind Glovebox
Behind Glovebox
Right Front Passenger compartment
Behind Glovebox
Above Steering Column
Behind Glovebox
Left Rear Q-Panel
Left Rear Q-Panel
Right Front Passenger Compartment
Rear (Trunk)
Rear (Trunk)
Above Steering Column
Rear Deck (center)
Right Rear Q-Panel
Behind Glovebox
Above Steering Column