Dodge 2012 Avenger - Owner Manual - Manual (Page 408)

Preparations For Jump-Start
The battery in your vehicle is located between the left
front headlight assembly and the left front wheel splash
shield. To allow jump-starting there are remote battery
posts located on the left side of the engine compartment.
Remote Battery Posts
1 — Remote Positive (+) Post (covered with protective cap)
2 — Remote Negative (-) Post
406 WHAT TO DO IN EMERGENCIES