Cadillac 2007 DTS Owner's Manual page 385

Put an automatic transaxle in PARK (P) or
a manual transaxle in NEUTRAL before
setting the parking brake.
Notice: If you leave your radio or other
accessories on during the jump starting
procedure, they could be damaged. The repairs
would not be covered by your warranty.
Always turn off your radio and other
accessories when jump starting your vehicle.
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 on the
other vehicle. Your vehicle has a remote
positive (+) jump starting terminal and
a remote negative ( ) jump starting terminal.
4.6L LD8 Engine shown,
4.6L L37 Engine
similar
The remote positive (+) terminal is located in
the engine compartment on the passenger's
side of the vehicle. Lift the red plastic
cap to access the terminal. See Engine
Compartment Overview on page 356 for more
information on the location of the remote
positive (+) terminal.
A second remote positive (+) terminal is
located on the rear underseat fuse block.
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