2003 CADILLAC CTS engine oil

2-29
To Use the Engine Coolant Heater
1. Turn off the engine.
2. Open the hood and unwrap the electrical cord. The
cord is located on the driver's side of the engine
compartment near the engine oil dipstick. See
ªEngine Compartment Overviewº in the Index for
more information on location.
You must remove the plastic cap to access the plug.
3. Plug it into a normal, grounded 110
-volt AC outlet.
CAUTION:
Plugging the cord into an ungrounded outlet
could cause an electrical shock. Also, the wrong
kind of extension cord could overheat and cause
a fire. You could be seriously injured. Plug the
cord into a properly grounded three
-prong
11 0
-volt AC outlet. If the cord won't reach, use a
heavy
-duty three-prong extension cord rated for
at least 15 amps.
4. Before starting the engine, be sure to unplug
and store the cord as it was before to keep it away
from moving engine parts. If you don't, it could
be damaged.
How long should you keep the coolant heater plugged
in? The answer depends on the outside temperature, the
kind of oil you have, and some other things. Instead of
trying to list everything here, we ask that you contact
your dealer in the area where you'll be parking your
vehicle. The dealer can give you the best advice for that
particular area.

2-95
Oil Pressure Light
CAUTION:
Don't keep driving if the oil pressure is low. If
you do, your engine can become so hot that it
catches fire. You or others could be burned.
Check your oil as soon as possible and have your
vehicle serviced.
NOTICE:
Damage to your engine from neglected oil
problems can be costly and is not covered by
your warranty.
This light tells you if there
could be a problem with
your engine oil pressure.
The light goes on when you turn your key to ON or
START. It goes off once you start your engine. That's a
check to be sure the light works. If it doesn't come on,
be sure to have it fixed so it will be there to warn you if
something goes wrong.
When the light comes on and stays on, it means that
oil isn't flowing through your engine properly. You
could be low on oil and you might have some other
system problem.

2-101
Vehicle Information Menu (Base Audio System)
To access this menu using the base audio system, press
the up or down arrow on the INFO button located to the
right of the display.
The following items are available:

BLANK LINE

OUTSIDE TEMP

MI TRIP A*

MI TRIP B*

FUEL RANGE*

MPG AVG*

MPG INST
GAL FUEL USED*

AVG MPH*

TIMER*

BATTERY VOLTS

ENGINE OIL LIFE*

TRANS FLUID LIFE*
(Automatic Transmission Only)
*These items can be reset. Each one must be reset
individually. For a detailed description of the menu
items and how to reset them, see ªStatus Menu Item
Descriptionsº later in this section.
You can view any of these items at any time, but only
one item can be displayed at a time.

2-102
Vehicle Info (Information) Menu
(Navigation System)
To access the Vehicle Info menu using the Navigation
system, press the INFO button to the left of the screen.
You can also access this menu through the Setup menu.
See ªSetup Menuº in the Index of the Navigation
supplement.
The following submenu appears when Vehicle Info
is selected:

Outside Air Temperature

Trip Odometer A*

Trip Odometer B*

Fuel Range

Average Fuel Economy*

Instantaneous Fuel Economy

Fuel Used*
Average Vehicle Speed*

Timer*

Battery Voltage

Engine Oil Life*

Transmission Fluid Life*
(Automatic Transmission Only)

Blank Display
*These items can be reset. Each one must be reset
individually. For a detailed description of the menu
items and how to reset them, see ªStatus Menu Item
Descriptionsº following.
You can view any of these submenu items at any time by
selecting them using the TUNE/SEL knob. The
currently selected item is displayed at the top of the
screen. Only one item can be displayed at a time.

2-105
Battery Voltage/BATTERY VOLTS: If you select this
item, the current battery voltage is displayed. If the
voltage is in the normal range, the display will have OK
after it. For example, the display may read 13.2 Battery
Volts OK.
If there is a problem with the battery charging system,
there are four possible DIC messages that may be
displayed. See ªDriver Information Center (DIC)
Messagesº later in this section for more information.
Engine Oil Life/ENGINE OIL LIFE: If you select
this item, the percentage of remaining oil life is
displayed. If you see 99% Oil Life on the display, that
means that 99% of the current oil life remains.
When the oil life is depleted, the Change Engine Oil
message will appear on the display. You should change
the engine oil as soon as possible within 200 miles. Be
sure to keep a written record of the mileage and date of
the oil change so you will have it for future reference.
When you reset the Change Engine Oil message by
clearing it from the display, you still must reset the
engine oil life monitor separately. For more information
on resetting the engine oil life monitor, see ªOil Life
Monitor, How to Resetº in the Index.The engine oil life monitor does not check the amount
of oil your vehicle has, so you should check the oil level
periodically. See ªEngine Oilº in the Index for more
information.
Transmission Fluid Life/TRANS FLUID LIFE
(Automatic Transmission Only): If you select this
item, the percentage of remaining transmission fluid life
is displayed. If you see 99% Trans Fluid Life on the
display, that means that 99% of the current transmission
fluid life remains.
When the transmission fluid life is depleted, the Change
Transmission Fluid message will appear on the display.
You should change the engine oil as soon as possible
within 200 miles. Be sure to keep a written record of the
mileage and date of the oil change so you will have it
for future reference.
When you reset the Change Transmission Fluid message
by clearing it from the display, you still must reset the
transmission fluid life monitor separately. For more
information on resetting the engine oil life monitor, see
ªTransmission Fluid Life Monitor, How to Resetº in
the Index.

2-108
Battery Voltage Low
This symbol appears
with the Battery Voltage
Low message.
This message will appear when the electrical system
is charging less than 10 volts or if the battery has
been drained.
If this message appears immediately after starting, it is
possible that the generator can still recharge the battery.
The battery should recharge while driving but may take
a few hours to do so. Consider using an auxiliary
charger (be sure to follow the manufacturer's
instructions) to boost the battery after returning home or
to a final destination.
If this message appears while driving or after starting
your vehicle and stays on, have it checked immediately
to determine the cause of this problem.
To help the generator recharge the battery quickly, you
can reduce the load on the electrical system by turning
off the accessories.The normal battery voltage range is 11.5 to 15.5 volts.
You can monitor battery voltage on the DIC by pressing
the INFO button until you find BATTERY VOLTS
(base audio system) or by selecting Battery Voltage
from the Vehicle Info menu (Navigation system).
Change Engine Oil
This symbol appears
with the Change Engine
Oil message.
This message indicates that the life of the engine oil has
expired and it should be changed within 200 miles. See
ªEngine Oilº in the Index for more information.
When you reset the Change Engine Oil message by
clearing it from the display, you still must reset the
engine oil life monitor separately. For more information
on resetting the engine oil life monitor, see ªOil Life
Monitor, How to Resetº in the Index.

2-114
Ice Possible
This symbol appears with
the Ice Possible message.
This message appears when the outside temperature is
cold enough to create icy road conditions.
Left Rear Door Ajar
This symbol appears
with the Left Rear Door
Ajar message.
When this message appears on the display, it means that
the driver's side rear door was not closed completely.
You should make sure that the door is closed completely.Oil Pressure Low
-- Stop Engine
This symbol appears
with the Oil Pressure
Low
-- Stop Engine
message. A multiple chime
will sound when this
message is displayed.
NOTICE:
If the Oil Pressure Low -- Stop Engine message
appears on the display, stop the vehicle
immediately. Do not drive the vehicle until the
cause of the low oil pressure is corrected. Severe
engine damage can result from driving a vehicle
with low oil pressure. See ªEngine Oilº in the
Index for more information.

4-23
The exit speed is usually posted.
Reduce your speed according to your speedometer, not
to your sense of motion. After driving for any distance
at higher speeds, you may tend to think you are going
slower than you actually are.
Before Leaving on a Long Trip
Make sure you're ready. Try to be well rested. If you
must start when you're not fresh
-- such as after a day's
work
-- don't plan to make too many miles that first part
of the journey. Wear comfortable clothing and shoes you
can easily drive in.
Is your vehicle ready for a long trip? If you keep it
serviced and maintained, it's ready to go. If it needs
service, have it done before starting out. Of course,
you'll find experienced and able service experts in
Cadillac dealerships all across North America.
They'll be ready and willing to help if you need it.Here are some things you can check before a trip:

Windshield Washer Fluid: Is the reservoir full?
Are all windows clean inside and outside?

Wiper Blades: Are they in good shape?

Fuel, Engine Oil, Other Fluids: Have you checked
all levels?

Lamps: Are they all working? Are the lenses clean?

Tires: They are vitally important to a safe,
trouble-free trip. Is the tread good enough for
long
-distance driving? Are the tires all inflated to the
recommended pressure?

Weather Forecasts: What's the weather outlook
along your route? Should you delay your trip a short
time to avoid a major storm system?

Maps: Do you have up
-to-date maps?