Removal Procedure

Remove the left side rear compartment trim panel. Refer to Rear Compartment Side Trim Replacement - Left Side (With AM9) , Rear Compartment Side Trim Replacement - Left Side (Except AM9) .
Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
Open the battery fuse block cover.

Fig 1: Battery Positive Cable & Mounting Components

Courtesy of GENERAL MOTORS COMPANY

Remove the battery positive cable fastener (1) from the battery fuse block (2).
Detach the battery positive cable retainer (6) from the battery hold down bracket.
Set aside the battery positive cable (7).

Fig 2: Battery Fuse Block & Fastener

Courtesy of GENERAL MOTORS COMPANY

Loosen the battery positive fuse block cable clamp fastener (1) and detach the battery fuse block (2) from the battery.

Fig 3: Battery Hold Down Bracket Fastener And Vent Hose

Courtesy of GENERAL MOTORS COMPANY

Remove the battery hold down bracket fastener (1) and remove the battery hold down bracket (2).
Remove the battery vent hose (3) from the side of the battery.

Fig 4: Battery Tray Front Bracket

Courtesy of GENERAL MOTORS COMPANY

Push forward the battery tray front bracket (3) and remove the battery (1) using the battery assist handles (2).