Cadillac 2012 CTS-V Owner's Manual page 431

3. Turn off the ignition on both
vehicles. Unplug unnecessary
accessories plugged into the
cigarette lighter or the accessory
power outlets. Turn off the radio
and all lamps that are not
needed. This will avoid sparks
and help save both batteries.
And it could save the radio!
4. Open the hoods and locate the
positive (+) and negative ( )
terminal locations or the
remote positive (+) and remote
negative ( ) terminals of the
other vehicle. Then locate the
remote positive (+) location on
your vehicle. See
for more information
on locations of the terminals.
Your vehicle has a remote
negative ( ) ground location,
as shown in the illustration.
It is located on the left side of
the engine compartment.
See
You should always use this
remote ground location, instead
of the terminal on the battery.
An electric fan can start up even
when the engine is not running
and can injure you. Keep hands,
clothing and tools away from any
underhood electric fan.
.