Removal Procedure
Warning: Refer to Battery Disconnect Warning in the Preface section.
- Disconnect the battery ground cable.
- Slide the passenger seat rearward.
- 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).
Installation Procedure
Caution: Refer to Fastener Caution in the Preface section.
- Install the Onstar battery (2) with the bolts (1) and tighten to
3 N·m (27 lb in).
- Restore the seat position.
- Connect the electrical connectors.
- Connect the negative battery cable.