2007 CADILLAC DTS display

The SERVICE TRACTION CONTROL message,
the traction control system warning light and
the StabiliTrak
®warning light will come on to let
you know if there is a problem with the traction
control system. SeeDIC Warnings and Messages
on page 246.
When this light and the SERVICE TRACTION
CONTROL message are on, the system will not
limit wheel spin. Adjust your driving accordingly.
The traction control system automatically
comes on whenever you start your vehicle. To
limit wheel spin, especially in slippery road
conditions, you should always leave the system
on. But you can turn the traction control system off
if you ever need to.
You can turn the system on or off at any time by
pressing the traction control system button located
on the console or on the end of the column
shifter. The DIC will display TRACTION CONTROL
OFF when you press the button.
Adding non-dealer/non-retailer accessories can
affect your vehicle’s performance. SeeAccessories
and Modications on page 353for more
information.
Magnetic Ride Control
Your vehicle may have a feature called Magnetic
Ride Control that automatically adjusts the ride of
your vehicle. Automatic ride control is achieved
through a computer used to control and monitor the
suspension system. The controller receives input
from various sensors to determine the proper
system response. If the controller detects a problem
within the system, the DIC will display a SERVICE
SUSPENSION SYS message. SeeDIC Warnings
and Messages on page 246for more information. If
this message appears, have your vehicle serviced
at your dealership.
Electronically Controlled Air Ride
Suspension
If you have a Cadillac Professional Vehicle, you
may have a feature called Electronically Controlled
Air Suspension. Air ride control is achieved through
a computer used to control and monitor the system.
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The controller receives input from two height
sensors to determine the proper system response.
If the controller detects a problem with the system,
the Driver Information Center (DIC) will display a
SERVICE SUSPENSION SYS message. If this
message appears, have your vehicle serviced at
your dealership.
StabiliTrak®System
Your vehicle may have this feature. The
StabiliTrak®system is an advanced computer
controlled system that helps the driver maintain
directional control of the vehicle in difficult driving
conditions. This is accomplished by selectively
applying any one of the vehicle’s brakes and
reducing engine power.
The StabiliTrak
®system comes on automatically
whenever you start your vehicle. The system
cannot be turned off.The STABILITRAK NOT READY message may be
displayed in the DIC and the traction control
system and StabiliTrak
®warning light on the
instrument panel cluster will be on after rst driving
the vehicle and exceeding 19 mph (30 km/h) for
30 seconds. The StabiliTrak
®system is off until the
light has turned off. This could take up to
15 minutes.
The traction control system and StabiliTrak
®
warning light on the instrument panel cluster will
ash when the system is operating. SeeTraction
Control System (TCS) Warning Light on
page 232andStabiliTrak
®Indicator Light on
page 232for more information. You may also feel
or hear the system working. This is normal.
The SERVICE STABILITRAK message will be
displayed and the traction control system
and StabiliTrak
®warning light on the instrument
panel cluster will come on if there is a problem with
the system. When this light and the SERVICE
STABILITRAK message are on, the system is not
operational. Adjust your driving accordingly.
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While refueling, hang the tethered fuel cap from
the hook on the fuel door.
{CAUTION:
Fuel can spray out on you if you open the
fuel cap too quickly. If you spill fuel and
then something ignites it, you could be
badly burned. This spray can happen if
your tank is nearly full, and is more likely
in hot weather. Open the fuel cap slowly
and wait for any hiss noise to stop. Then
unscrew the cap all the way.
Be careful not to spill fuel. Do not top off or overll
the tank and wait a few seconds after you have
nished pumping before removing the nozzle.
Clean fuel from painted surfaces as soon
as possible. SeeWashing Your Vehicle on
page 444.When replacing the fuel cap, turn it clockwise until
it clicks. Make sure the cap is fully installed.
The diagnostic system can determine if the fuel
cap has been left off or improperly installed.
This would allow fuel to evaporate into the
atmosphere. SeeMalfunction Indicator Lamp on
page 234.
The TIGHTEN GAS CAP message will be
displayed on the Driver Information Center (DIC) if
the fuel cap is not properly installed. SeeDIC
Warnings and Messages on page 246for more
information.
360

How to Reset the Engine Oil
Life System
The Engine Oil Life System calculates when to
change the engine oil and lter based on vehicle
use. Whenever the oil is changed, reset the
system so it can calculate when the next oil
change is required. If a situation occurs where you
change the oil prior to a CHANGE ENGINE OIL
SOON message in the Driver Information
Center (DIC) being turned on, reset the system.
After the oil has been changed, the CHANGE
ENGINE OIL SOON message must be reset:
1. Turn the key to the RUN position without
starting the engine.
2. Press the INFO button on the Driver
Information Center (DIC) until OIL LIFE
REMAINING is displayed. SeeDIC Controls
and Displays on page 240.
3. Press and hold the INFO RESET button until
100% is displayed. This resets the oil life
indicator.
4. Turn the key to OFF.If the CHANGE ENGINE OIL SOON message
comes back on when you start your vehicle, the
engine oil life system has not reset. Repeat
the procedure.
What to Do with Used Oil
Used engine oil contains certain elements that can
be unhealthy for your skin and could even cause
cancer. Do not let used oil stay on your skin for very
long. Clean your skin and nails with soap and
water, or a good hand cleaner. Wash or properly
dispose of clothing or rags containing used engine
oil. See the manufacturer’s warnings about the use
and disposal of oil products.
Used oil can be a threat to the environment. If you
change your own oil, be sure to drain all the oil
from the lter before disposal. Never dispose of oil
by putting it in the trash, pouring it on the
ground, into sewers, or into streams or bodies of
water. Instead, recycle it by taking it to a place
that collects used oil. If you have a problem
properly disposing of used oil, ask your
dealer/retailer, a service station, or a local
recycling center for help.
369

Adding Coolant
If you need more coolant, add the proper
DEX-COOL®coolant mixture at the coolant surge
tank, but only when the engine is cool.
{CAUTION:
You can be burned if you spill coolant on
hot engine parts. Coolant contains
ethylene glycol, and it will burn if the
engine parts are hot enough. Do not spill
coolant on a hot engine.
When replacing the pressure cap, make sure to
turn the cap until it clicks.
Coolant Surge Tank Pressure Cap
Notice:If the pressure cap is not tightly
installed, coolant loss and possible engine
damage may occur. Be sure the cap is properly
and tightly secured.
SeeEngine Compartment Overview on page 364
for more information on location.
Engine Overheating
You will nd an ENGINE OVERHEATED IDLE
ENGINE message or an ENGINE OVERHEATED
STOP ENGINE message displayed in the
Driver Information Center (DIC). SeeDIC
Warnings and Messages on page 246for more
information. You will also hear a chime.
There is also an engine temperature warning light
and/or gage on the instrument panel cluster.
SeeEngine Coolant Temperature Warning Light
on page 233andEngine Coolant Temperature
Gage on page 233.
377

If you get the overheat warning with no sign of
steam, try this for a minute or so:
1. In heavy traffic, let the engine idle in
NEUTRAL (N) while stopped. If it safe to do
so, pull off the road, shift to PARK (P) or
NEUTRAL (N) and let the engine idle.
2. Set the climate controls to the highest heat
setting and fan speed and open the windows
as necessary.
If you no longer have the overheat warning, you
can drive. Just to be safe, drive slower for
about 10 minutes. If the warning does not come
back on, you can drive normally.
If the warning continues, pull over, stop, and park
your vehicle right away.
If there is still no sign of steam, idle the engine for
three minutes while you are parked. If you still
have the warning, turn off the engine and
get everyone out of the vehicle until it cools down.
Also, see “Overheated Engine Protection
Operating Mode” later in this section.
You may decide not to lift the hood but to get
service help right away.Overheated Engine Protection
Operating Mode
If an overheated engine condition exists and the
message ENGINE OVERHEATED STOP ENGINE
is displayed, an overheat protection mode which
alternates ring 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. Driving
extended miles (km) and/or 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
system. SeeEngine Oil on page 365.
379

Windshield Washer Fluid
What to Use
When you need windshield washer uid, be sure
to read the manufacturer’s instructions before
use. If you will be operating your vehicle in an area
where the temperature may fall below freezing,
use a uid that has sufficient protection against
freezing.
Adding Washer Fluid
The WASHER FLUID LOW ADD FLUID message
will be displayed on the Driver Information
Center (DIC) when the uid is low. SeeDIC
Warnings and Messages on page 246for more
information.
Open the cap with the
washer symbol on it.
Add washer uid
until the tank is full. See
Engine Compartment
Overview on page 364
for reservoir location.Notice:
When using concentrated washer uid,
follow the manufacturer’s instructions
for adding water.
Do not mix water with ready-to-use washer
uid. Water can cause the solution to
freeze and damage your washer uid tank
and other parts of the washer system.
Also, water does not clean as well
as washer uid.
Fill the washer uid tank only
three-quarters full when it is very cold.
This allows for uid expansion if freezing
occurs, which could damage the tank if it is
completely full.
Do not use engine coolant (antifreeze) in
your windshield washer. It can damage
the vehicle’s windshield washer system
and paint.
386

Brakes
Brake Fluid
The brake master
cylinder reservoir is
lled with DOT-3 brake
uid. SeeEngine
Compartment Overview
on page 364for
reservoir location and
access.
There are only two reasons why the brake uid
level in the reservoir might go down. The rst
is that the brake uid goes down to an acceptable
level during normal brake lining wear. When
new linings are put in, the uid level goes back
up. The other reason is that uid is leaking out of
the brake system. If it is, you should have the
brake system xed, since a leak means that
sooner or later the brakes will not work well.So, it is not a good idea to top off the brake uid.
Adding brake uid will not correct a leak. If
you add uid when the linings are worn, then you
will have too much uid when you get new
brake linings. You should add or remove brake
uid, as necessary, only when work is done on the
brake hydraulic system.
{CAUTION:
If your vehicle has too much brake uid, it
can spill on the engine. The uid will burn if
the engine is hot enough. You or others
could be burned, and your vehicle could be
damaged. Add brake uid only when work
is done on the brake hydraulic system.
If the ignition is on and the brake uid is low, the
SERVICE BRAKE SYSTEM message will be
displayed in the Driver Information Center (DIC).
SeeDIC Warnings and Messages on page 246.
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