Dodge 2011 Caliber - Owner Manual - Manual (Page 384)

CAUTION!
Do not use a portable battery booster pack or any
other booster source with a system voltage greater
than 12 Volts or damage to the battery, starter motor,
alternator or electrical system may occur.
WARNING!
Do not attempt jump-starting if the battery is frozen.
It could rupture or explode and cause personal injury.
Preparations For Jump-Start
The battery in your vehicle is located in the front of the
engine compartment below the air intake duct. To access
the battery remove the air intake duct by turning the two
finger screws, located on the radiator support.
Air Intake Finger Screws
382 WHAT TO DO IN EMERGENCIES