XL-7 2WD V6-3.6L (2007)
4. Grasp the engine control module (ECM) and slide the retainer rearward until the retainer disengages from the 4 clips on the battery cover.
Reposition the ECM out of the way.
5. Release the side snap retainers (1).
6. Remove the battery box cover (3) from the retaining tabs (2).
7. Remove the battery box cover (3).
8. Loosen the battery negative cable terminal bolt.
