Owner's Manual
Page 104
... a molded cupholder on the floor of the center console. There are two cupholders located at the rear of the center console. 0: Storage Areas Glove Box To open the glove box, pull the handle to interact with Six-Disc CD on page 3-50 or Radio with OnStar®. To use the cupholders..., press this button once, wait for the response, say the number(s) to be dialed, wait for the number(s) to be used to the left and pull the glove box door down until it can be repeated and then say "dial". OnStar® Steering Wheel Controls For vehicles equipped with a Talk/Mute button...
... a molded cupholder on the floor of the center console. There are two cupholders located at the rear of the center console. 0: Storage Areas Glove Box To open the glove box, pull the handle to interact with Six-Disc CD on page 3-50 or Radio with OnStar®. To use the cupholders..., press this button once, wait for the response, say the number(s) to be dialed, wait for the number(s) to be used to the left and pull the glove box door down until it can be repeated and then say "dial". OnStar® Steering Wheel Controls For vehicles equipped with a Talk/Mute button...