Removal Procedure

WARNING: Refer to Battery Disconnect Warning .

Disconnect the battery ground cable.

Fig 1: Onstar Battery & Bolts

GM2083021

Courtesy of GENERAL MOTORS CORP.

Slide the passenger seat forward.
Disconnect the electrical connector from the Onstar module which is located on the bottom of the passenger seat.
Remove the bolts (1) and the Onstar battery (2).