2005 CADILLAC DEVILLE air condition

CHECK GAS CAP – 61:This message will appear if
the gas cap has not been fully tightened. You should
recheck your gas cap to ensure that it is on properly.
CHECK OIL LEVEL – 36:For correct operation of the
low oil sensing system, your vehicle should be on a
level surface. A false CHECK OIL LEVEL message may
appear if the vehicle is parked on a grade. The oil
level sensing system does not check for actual oil level
if the engine has been off for a short period of time,
and the oil level is never checked while the engine is
running. If the CHECK OIL LEVEL message appears,
and your vehicle has been parked on level ground
with the engine off for at least 30 minutes, the oil level
should be checked by observing the oil dipstick. Prior to
checking the oil level, be sure the engine has been
off for a few minutes and your vehicle is on a level
surface. Then check the dipstick and add oil if
necessary. SeeEngine Oil on page 5-14.
CHECK TIRE PRESSURE – 144:This message is
displayed when the Tire Pressure Monitor (TPM) system
detects a low or high tire pressure condition in one or
more of the road tires.By pressing the INFO button up or down, the DIC
display will show which tire or tires do not have the
correct ination pressure. The system will display the air
pressure, the tire location (LF, RF, RR or LR), and
LOW TIRE if the air pressure is low or HIGH TIRE if the
air pressure is high. The tire pressure information is
available in English or metric measurements. For
example, a driver’s side front tire that is low may be
shown as: 22 PSI LF TIRE LOW.
The correct tire ination pressure should be set to those
shown on the Tire and Loading Information label. See
Loading Your Vehicle on page 4-30for the location
of this label. For more information regarding proper tire
ination, seeInation - Tire Pressure on page 5-65.
If a tire is low, you should stop as soon as possible
and inspect your tire(s) for damage. If a tire is at,
seeIf a Tire Goes Flat on page 5-76.
Once the TPM system detects the low or high tire
pressure condition, the message CHECK TIRE
PRESSURE will be displayed whenever you start the
engine. To remove or clear the CHECK TIRE
PRESSURE message, you will need to set the tire(s) to
the proper tire pressure. SeeInation - Tire Pressure
on page 5-65. SeeTire Pressure Monitor Operation on
page 5-68for more information.
3-62

ENGINE HOT–AC OFF – 16:This message displays
when the engine coolant becomes hotter than the
normal operating temperature. To avoid added strain
on a hot engine, the air conditioning compressor
is automatically turned off. When the coolant
temperature returns to normal, the A/C operation will
automatically resume. You can continue to drive
your vehicle. If this message continues to appear, have
the system repaired by your GM dealer as soon as
possible to avoid compressor damage.
ENGINE OVERHEATED, STOP ENGINE – 42:This
message will appear when the engine has overheated.
Stop and turn the engine off immediately to avoid
severe engine damage. SeeEngine Overheating on
page 5-27. A multiple chime will also sound when this
message is displayed.
ENGINE POWER REDUCED – 41:This message
informs you that the vehicle is reducing engine power
because the transaxle is being placed in gear under
conditions that may cause damage to the vehicle’s
engine, transaxle or ability to accelerate.
FUEL LEVEL LOW – 11:This message serves as a
warning that the fuel level in the tank is critically
low. Stop for fuel soon. A single chime will sound when
this message is displayed.HEADLAMPS SUGGESTED – 23:If it is dark enough
outside and the headlamps and Twilight Sentinel®
controls are off, this message will display on the DIC.
This message informs the driver that turning on the
exterior lamps is recommended even though the DRL
are still illuminated. It has become dark enough outside
to require the headlamps and/or other exterior lamps.
This message will also appear if the optional
Rainsense™ wiping feature is on and the Twilight
Sentinel
®is off.
ICE POSSIBLE – 13:This message appears when the
outside air temperature is cold enough to create icy
road conditions.
LEFT REAR DOOR AJAR – 142:The left rear door is
open or ajar when this message appears. The ignition
must be in ON and the transaxle not in PARK (P) for this
message to display. A chime will sound if the vehicle’s
speed is greater than 3 mph (5 km/h).
OIL PRESSURE LOW STOP ENGINE – 35:If this
message appears while the engine is running, stop the
engine and do not operate it until the cause of low
oil pressure is corrected. Severe damage to the engine
can result. A multiple chime will sound when this
message is displayed.
3-64

PASSENGER DOOR AJAR – 141:The right front
passenger’s door is open or ajar when this message
appears. The ignition must be in ON and the transaxle
not in PARK (P) for this message to display. A chime
will sound if the vehicle’s speed is greater than
3 mph (5 km/h).
RIGHT REAR DOOR AJAR – 143:The right rear door
is open or ajar when this message appears. The
ignition must be in ON and the transaxle not in PARK (P)
for this message to display. A chime will sound if the
vehicle’s speed is greater than 3 mph (5 km/h).
SERVICE AC SYSTEM – 14:This message appears
when the electronic sensors that control the air
conditioning and heating systems are no longer working.
Have the climate control system serviced by your
GM dealer if you notice a drop in heating and air
conditioning efficiency.
SERVICE AIR BAG – 83:There is a problem with the
airbag system when this message appears. Let only
a qualied technician work on your vehicle. Have your
vehicle serviced by your GM dealer immediately.
SERVICE CHARGING SYS – 102:This message will
display when a problem with the charging system
has been detected. Have your vehicle serviced by your
GM dealer.SERVICE ELECTRICAL SYS – 106:This message will
display if an electrical problem has occurred within
the Powertrain Control Module (PCM) or the ignition
switch. Have your vehicle serviced by your GM dealer.
SERVICE FUEL SYSTEM – 101:The Powertrain
Control Module (PCM) has detected a problem within
the fuel system when this message appears. Have your
vehicle serviced by your GM dealer.
SERVICE IDLE CONTROL – 107:A problem with the
idle control has occurred when this message displays.
Have your vehicle serviced by your GM dealer.
SERVICE STABILITY SYS – 54:If you ever see the
SERVICE STABILITY SYS message, it means
there may be a problem with your stability enhancement
system. If you see this message, try to reset the
system (stop, turn off the engine, then start the engine
again). If the SERVICE STABILITY SYS message
still comes on, it means there is a problem. You should
see your GM dealer for service. Reduce your speed
and drive accordingly. A single chime will also sound
when this message is displayed.
SERVICE STEERING – 127:This message is displayed
when a problem has been detected in the magnetic
speed variable assist steering system. If this message
comes on, service is required. See your GM dealer.
3-65

SERVICE SUSPENSION SYS – 84:This message is
displayed to indicate that the suspension system is
not operating properly. To correct this problem, have
your vehicle serviced by your GM dealer.
SERVICE THEFT SYSTEM – 34:This message means
there is a problem with the PASS-Key
®III system.
A fault has been detected in the system which means
that the system is disabled and is not protecting
the vehicle. The vehicle usually restarts, however,
you may want to take your vehicle to your GM dealer
before turning off the engine.
SERVICE TPM SYSTEM – 51:When this message is
displayed, the Tire Pressure Monitor (TPM) system
is not working properly. See your GM dealer for service.
SERVICE TRANSMISSION – 100:See your GM dealer
for repair.
SERVICE VEHICLE SOON – 3:This message is
displayed when a non-emissions related powertrain
malfunction occurs. Have your vehicle serviced by your
GM dealer as soon as possible.
SPEED LIMIT TO 90 – 113:A failure in the suspension
control system has occurred when this message
appears. The Powertrain Control Module (PCM)
determines the speed to which your vehicle is limited.
Have your vehicle serviced by your GM dealer if
this message appears.STABILITY SYS ENGAGED – 55:You may see the
STABILITY SYS ENGAGED message on the Driver
Information Center. It means that an advanced,
computer-controlled system has come on to help your
vehicle continue to go in the direction in which you
are steering. This stability enhancement system
activates when the computer senses that your vehicle is
just starting to spin, as it might if you hit a patch of
ice or other slippery spot on the road. When the system
is on, you may hear a noise or feel a vibration in the
brake pedal. This is normal.
When the STABILITY SYS ENGAGED message is on,
you should continue to steer in the direction you
want to go. The system is designed to help you in bad
weather or other difficult driving situations by making
the most of whatever road conditions will permit. If the
STABILITY SYS ENGAGED message comes on,
you will know that something has caused your vehicle to
start to spin, so you should consider slowing down.
A single chime will also sound when this message
is displayed.
STARTING DISABLED REMOVE KEY – 33:This
message will appear when the PASS-Key
®III system
detects that an improper ignition key is being used to try
to start the vehicle. Check the ignition key for damage.
If it is damaged, it may need to be replaced. If it is
not damaged, remove the key and try to start the vehicle
again. If it still does not start, try another ignition key
or see your GM dealer for service.
3-66

XM™ Radio Messages
Radio Display
Message Condition Action Required
XL (Explicit Language
Channels)XL on the radio display,
after the channel name,
indicates content with
explicit language.These channels, or any others, can be blocked at a
customer’s request, by calling 1-800-852-XMXM (9696).
XM Updating Updating
encryption codeThe encryption code in the receiver is being updated, and
no action is required. This process should take no longer
than 30 seconds.
No XM signal Loss of signal The system is functioning correctly, but the vehicle is in a
location that is blocking the XM signal. When the vehicle is
moved into an open area, the signal should return.
Loading XM Acquiring channel audio
(after 4 second delay)The audio system is acquiring and processing audio and text
data. No action is needed. This message should disappear
shortly.
Channel Off Air Channel not in service This channel is not currently in service. Tune to another
channel.
Channel Unavail Channel no longer
availableThis previously assigned channel is no longer assigned.
Tune to another station. If this station was one of the
presets, choose another station for that preset button.
No Artist Info Artist Name/Feature not
availableNo artist information is available at this time on this channel.
The system is working properly.
No Title Info Song/Program Title not
availableNo song title information is available at this time on this
channel. The system is working properly.
3-84

XM™ Radio Messages
Radio Display
MessageCondition Action Required
XL (Explicit Language
Channels)XL on the radio display,
after the channel name,
indicates content with
explicit language.These channels, or any others, can be blocked at a
customer’s request, by calling 1-800-852-XMXM (9696).
XM Updating Updating
encryption codeThe encryption code in the receiver is being updated, and
no action is required. This process should take no longer
than 30 seconds.
No XM signal Loss of signal The system is functioning correctly, but the vehicle is in a
location that is blocking the XM signal. When you move into
an open area, the signal should return.
Loading XM Acquiring channel audio
(after 4 second delay)The audio system is acquiring and processing audio and text
data. No action is needed. This message should disappear
shortly.
Channel Off Air Channel not in service This channel is not currently in service. Tune to another
channel.
Channel Unavail Channel no longer
availableThis previously assigned channel is no longer assigned.
Tune to another station. If this station was one of the
presets, choose another station for that preset button.
No Artist Info Artist Name/Feature not
availableNo artist information is available at this time on this channel.
The system is working properly.
No Title Info Song/Program Title not
availableNo song title information is available at this time on this
channel. The system is working properly.
3-94

Adding Equipment to the Outside of
Your Vehicle
Things you might add to the outside of your vehicle can
affect the airow around it. This may cause wind
noise and affect windshield washer performance.
Check with your dealer before adding equipment to the
outside of your vehicle.
Fuel
Use of the recommended fuel is an important part of the
proper maintenance of your vehicle.
Gasoline Octane
Use regular unleaded gasoline with a posted octane of
87 or higher. However, for best performance and for
trailer towing, you may wish to use middle grade
or premium unleaded gasoline. If the octane is less than
87, you may get a heavy knocking noise when you
drive. If this occurs, use a gasoline rated at 87 octane
or higher as soon as possible. Otherwise, you might
damage your engine.
Gasoline Specications
It is recommended that gasoline meet specications
which were developed by automobile manufacturers
around the world and contained in the World-Wide Fuel
Charter which is available from the Alliance of Automobile
Manufacturers at www.autoalliance.org/fuel_charter.htm.
Gasoline meeting these specications could provide
improved driveability and emission control system
performance compared to other gasoline.
California Fuel
If your vehicle is certied to meet California Emission
Standards, it is designed to operate on fuels that
meet California specications. See the underhood
emission control label. If this fuel is not available
in states adopting California emissions standards, your
vehicle will operate satisfactorily on fuels meeting
federal specications, but emission control system
performance may be affected. The malfunction indicator
lamp may turn on and your vehicle may fail a
smog-check test. SeeMalfunction Indicator Lamp on
page 3-50. If this occurs, return to your authorized
GM dealer for diagnosis. If it is determined that
the condition is caused by the type of fuel used,
repairs may not be covered by your warranty.
5-5

Engine Air Cleaner/Filter
SeeEngine Compartment Overview on page 5-12for
the location of the engine air cleaner/lter.
When to Inspect the Engine Air
Cleaner/Filter
Inspect the air cleaner/lter at the MaintenanceII
intervals and replace it at the rst oil change after
50,000 miles (83 000 km). SeeScheduled Maintenance
on page 6-4for more information. If you are driving
in dusty/dirty conditions, inspect the lter at each engine
oil change.
How to Inspect the Engine Air
Cleaner/Filter
To inspect the air cleaner/lter, remove the lter from
the vehicle and lightly shake the lter to release
loose dust and dirt. If the lter remains caked with dirt, a
new lter is required.To inspect or replace the lter, do the following:
1. Loosen and remove both wing screws on the top of
the engine air cleaner/lter cover.
2. Lift up the outboard side of the cover at an angle
while pulling toward you. This is necessary due to
the three tabs located on the rear of the cover.
5-19