Cupholders are in the center console.

Cupholders may be located in the second row seat armrest. To access, pull the armrest down.
Glove Box
Center Console StorageQuick Info
Quick Info gives access to quick information on Audio playing, OnStar Turn-by-Turn
route (if equipped), 5-day forecast, Nearby Fuel Stations, and Movie Show Times.
To access, press Quick Info on the Home Page or the INFO button on the faceplate.
Depending on the system and if the options are ...
Installation Procedure
Position the front end upper tie bar (1) on the vehicle.
Verify the fit of the front end upper tie bar.
Clamp the front end upper tie bar into position.
Braze accordingly.
Braze accordingly.
Grind down weld seams as needed for related panels and components.
Clean a ...
Removal Procedure
Remove the drivetrain and front suspension frame. Refer to Drivetrain
and Front Suspension Frame Replacement.
Mark Installation position of insulator (2) at frame (1).
Cut out frame insulator core (1) from frame insulator (2).
Note: On the rear insulator dril ...