2001 CADILLAC DEVILLE Owners Manual

5-4
2. Get the vehicles close enough so the jumper cables
can reach, but be sure the vehicles aren't touching
each other. If they are, it could cause a ground
connection you don't want. You wouldn't be able
to start your vehicle and the bad grounding could
damage the electrical systems.
To avoid the possibility of the vehicles rolling, set
the parking brake firmly on both vehicles involved in
the jump start procedure. Put an automatic transaxle
in PARK (P) or a manual transaxle in NEUTRAL
before setting the parking brake.
3. Turn off the ignition on both vehicles. Unplug
unnecessary accessories plugged into the cigarette
lighter or accessory power outlets. Turn off all lamps
that aren't needed as well as radios. This will avoid
sparks and help save both batteries. In addition,
it could save your radio!
NOTICE:
If you leave your radio on, it could be badly
damaged. The repairs wouldn't be covered by
your warranty.
Open the hoods and locate the battery on the other
vehicle and the remote positive (+) terminal located
on the passenger's side of the engine compartment
of your vehicle. (You will not see the battery under
the hood of your vehicle, since it is located under
the rear seat on the passenger's side.) Find the
positive (+) and negative (
-) terminals on the
battery in the other vehicle.
You do not need to access your battery for jump
starting. The remote positive (+) terminal, located
on the passenger's side of the engine compartment,
is for this purpose.

5-5
CAUTION:
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.
4. Lift and move the
red positive (+)
terminal cover
away from the
relay center.
CAUTION:
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.
Be sure the battery has enough water. You don't
need to add water to the ACDelco
battery
installed in every new GM vehicle. But if a
battery has filler caps, be sure the right amount
of fluid is there. If it is low, add water to take
care of that first. If you don't, explosive gas
could be present.
Battery fluid contains acid that can burn you.
Don't get it on you. If you accidentally get it in
your eyes or on your skin, flush the place with
water and get medical help immediately.

5-6
5. Check that the jumper cables don't have loose or
missing insulation. If they do, you could get a shock.
The vehicles could also be damaged.
Before you connect the cables, here are some basic
things you should know. Positive (+) will go to
positive (+) and negative (
-) will go to a heavy,
unpainted metal engine part. Don't connect
positive (+) to the negative (
-) or you will get a
short that would damage the battery and maybe other
parts, too. Also, don't connect the negative (
-) cable
to the negative (
-) terminal on the dead battery
because this can cause sparks.
CAUTION:
Fans or other moving engine parts can injure you
badly. Keep your hands away from moving parts
once the engine is running.
6. Connect the red
positive (+) cable to
the remote positive (+)
terminal of your vehicle.
7. Don't let the other
end of the positive (+)
cable touch metal.
Now, connect the red
positive (+) terminal
to the red positive (+)
terminal of the other
vehicle's battery. Use
a remote positive (+)
terminal if the vehicle
has one.

5-7
8. Now connect the
black negative (
-) cable
to the good battery's
negative (
-) terminal.
Don't let the other end of the negative (
-) cable touch
anything until the next step. The other end of the
negative (
-) cable doesn't go to the dead battery.
Your vehicle has a
remote negative (
-)
terminal, marked
ªGND (
-)º located
near the power
steering fluid reservoir.
Attach the cable to the
remote negative (
-)
terminal provided.
If the SECURITY light flashes, wait until the light
stops flashing before starting the engine.
9. Now start the vehicle with the good battery and run
the engine for a while.
10. Try to start the vehicle with the dead battery.
If it won't start after a few tries, it probably
needs service.

5-8
11. Remove the cables in reverse order (as shown in the
following procedure) to prevent electrical shorting.
Take care that they don't touch each other or any
other metal. Return the red positive (+) remote
terminal cover to its original position.
Jumper Cable Removal Procedure
A. Remote Positive (+) Terminal
B. Good Battery
C. Heavy, Unpainted Metal Engine Part1. Disconnect the black negative (
-) cable from the
remote negative terminal (GND) or the heavy,
unpainted metal engine part on the vehicle that
had the dead battery.
2. Disconnect the black negative (
-) cable from
the negative (
-) terminal on the vehicle with the
good battery.
3. Disconnect the red positive (+) cable from the
vehicle with the good battery.
4. Disconnect the red positive (+) cable from the
other vehicle.

5-9
Towing Your Vehicle
Consult your dealer or a professional towing service if
you need to have your vehicle towed. See ªRoadside
Assistanceº and ªRecreational Vehicle Towingº in
the Index.
Engine Overheating
You will find an ENGINE COOLANT HOT, IDLE
ENGINE message or an ENGINE OVERHEATED,
STOP ENGINE message on the Driver Information
Center (DIC). You will also hear a chime. There is
also an engine temperature warning light and/or gage
on the instrument panel cluster. See ªEngine Coolant
Temperature Warning Lightº or ªEngine Coolant
Temperature Gageº in the Index.
Overheated Engine Protection
Operating Mode
Should an overheated engine condition exist and the
message ENGINE OVERHEATED, STOP ENGINE is
displayed, an overheat protection mode which alternates
firing groups of cylinders helps prevent engine damage.
In this mode, you will notice a loss in power and engine
performance. This operating mode allows your vehicle
to be driven to a safe place in an emergency; you may
drive up to 50 miles (80 km). Towing a trailer in the
overheat protection mode should be avoided.
NOTICE:
After driving in the overheated engine protection
operating mode, to avoid engine damage, allow
the engine to cool before attempting any repair.
The engine oil will be severely degraded. Repair
the cause of coolant loss, change the oil and
reset the oil life indicator. See ªEngine Oilº in
the Index.

5-10 If Steam Is Coming From Your Engine
CAUTION:
Steam from an overheated engine can burn you
badly, even if you just open the hood. Stay away
from the engine if you see or hear steam coming
from it. Just turn it off and get everyone away
from the vehicle until it cools down. Wait until
there is no sign of steam or coolant before you
open the hood.
If you keep driving when your engine is
overheated, the liquids in it can catch fire.
You or others could be badly burned. Stop your
engine if it overheats, and get out of the vehicle
until the engine is cool. See ªOverheated Engine
Protection Operating Modeº in the Index.

5-11
NOTICE:
If your engine catches fire because you keep
driving with no coolant, your vehicle can be
badly damaged. The costly repairs would not
be covered by your warranty. See ªOverheated
Engine Protection Operating Modeº in the Index.
If No Steam Is Coming From Your Engine
If you get an engine overheat warning but see or hear no
steam, the problem may not be too serious. Sometimes
the engine can get a little too hot when you:

Climb a long hill on a hot day.

Stop after high
-speed driving.

Idle for long periods in traffic.

Tow a trailer.If you get the overheat warning with no sign of steam,
try this for a minute or so:
1. If your air conditioner is on, turn it off.
2. Dial the temperature control to the highest heat
setting and open the windows, as necessary.
3. If you're in a traffic jam, shift to NEUTRAL (N);
otherwise, shift to the highest gear while
driving
-- DRIVE (D) or THIRD (3).
If you no longer have the overheat warning, you
can drive. Just to be safe, drive slower for about
10 minutes. If the warning doesn't come back on,
you can drive normally.
If the warning continues, pull over, stop, and park your
vehicle right away.
If there's still no sign of steam, idle the engine for
three minutes while you're parked. If you still have the
warning, turn off the engine and get everyone out of
the vehicle until it cools down. Also, see ªOverheated
Engine Protection Operating Modeº listed previously in
this section.
You may decide not to lift the hood but to get service
help right away.