Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Vehicle Care
449
4. Turn the ignition off. Turn
off all lights and
accessories in both
vehicles, except the hazard
warning flashers if needed.
{
Warning
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.
{
Warning
Using a match near a
battery can cause battery
gas to explode. People have
been hurt doing this, and
some have been blinded.
Use a flashlight if you need
more light.
Battery fluid contains acid
that can burn you. Do not
get it on you. If you
accidentally get it in your
(Continued)
Warning (Continued)
eyes or on your skin, flush
the place with water and get
medical help immediately.
{
Warning
Fans or other moving engine
parts can injure you badly.
Keep your hands away from
moving parts once the
engine is running.
5. Connect one end of the
red positive (+) cable to the
remote positive (+)
terminal on the discharged
battery.
6. Connect the other end of
the red positive (+) cable to
the positive (+) terminal of
the good battery.
7. Connect one end of the
black negative (
–
) cable to
the negative (
–
) terminal of
the good battery.
Do not let the other end
touch anything until the
next step. The other end of
the negative (
–
) cable does
not go to the dead battery.
It goes to a heavy,
unpainted metal
engine part.
8. Connect the other end of
the black negative (
–
) cable
to the negative (
–
)
grounding point for the
discharged battery.
9. Start the engine in the
vehicle with the good
battery and run the engine
at idle speed for at least
four minutes.
10. Try to start the vehicle
that had the dead battery.
If it will not start after a
few tries, it probably needs
service.
Jumper Cable Removal
Reverse the sequence exactly
when removing the jumper
cables.
