2004 CADILLAC XLR fuel pressure

The valve stems on your run-¯at tires have sensors that
are part of the Tire Pressure Monitor System (TPMS).
See
Tire Pressure Monitor System on page 5-58. These
sensors contain batteries which are designed to last
for 10 years under normal driving conditions. See your
dealer if you ever need to have a wheel replaced,
or if the sensors ever need replacement.
Notice:Using liquid sealants can damage the tire
valves and tire pressure monitor sensors in your
run-¯at tires. This damage would not be covered
by warranty. Don't use liquid sealants in your
run-¯at tires.
In¯ation - Tire Pressure
The Tire and Loading Information label, shows the
correct in¯ation pressures for your tires when they're
cold. ªColdº means your vehicle has been sitting for at
least three hours or driven no more than 1 mile
(1.6 km). See
Loading Your Vehicle on page 4-32for more information on the Tire and Loading
Information label.
Notice:Don't let anyone tell you that underin¯ation
or overin¯ation is all right. It's not. If your tires
don't have enough air (underin¯ation), you can get
the following:
·Too much ¯exing
·Too much heat
·Tire overloading
·Bad wear
·Bad handling
·Bad fuel economy
If your tires have too much air (overin¯ation), you
can get the following:
·Unusual wear
·Bad handling
·Rough ride
·Needless damage from road hazards
5-57

A low tire warning light also appears on the instrument
panel cluster when a low tire condition exists. The
DIC message, CHECK TIRE PRESSURE and the low
tire pressure warning light will be shown each time
the engine is started and stay on until the low tire
condition is corrected.
When the tire pressure
monitoring system warning
light is lit, one or more
of your tires is signi®cantly
under-in¯ated.
You should stop and check your tires as soon as
possible, and in¯ate them to the proper pressure as
indicated on the vehicle's tire information placard.
Driving on a signi®cantly under-in¯ated tire causes the
tire to overheat and can lead to tire failure.
Under-in¯ation also reduces fuel efficiency and tire tread
life, and may affect the vehicle's handling and stopping
ability. Each tire, including the spare, should be
checked monthly when cold and set to the
recommended in¯ation pressure as speci®ed in the
vehicle placard and owner's manual.The Tire and Loading Information Label (tire information
placard) is either on the rear edge of the driver's door
or the driver's door jamb near the latch. This label shows
the size of your vehicle's original tires and the correct
in¯ation pressure for your vehicle's tires when they
are cold. See
In¯ation - Tire Pressure on page 5-57.
Your vehicle's TPM system can alert you about a low or
high tire pressure condition but it does not replace
normal tire maintenance. See
Tire Inspection and
Rotation on page 5-60
Each TPM sensor has a unique identi®cation code that
is matched to one of the four tire positions on your
vehicle. The tire and wheel assembly positions are, left
front (LF); right front (RF); right rear (RR) and left
rear (LR). Any time you rotate your vehicle's tires or
replace one or more TPM sensors, the identi®cation
codes will need to be matched to the new tire and wheel
position. The TPM matching process is performed in
a speci®c sequence and time limit. A special tool is also
required. See your dealer for service.
The SVC TIRE MONITOR message is displayed when
the TPM system is malfunctioning. For example,
one or more TPM sensors may be inoperable or
missing. See your dealer for service.
5-59

Owner Checks and Services
These owner checks and services should be performed
at the intervals speci®ed to help ensure the safety,
dependability and emission control performance of your
vehicle. Your GM Goodwrench dealer can assist you
with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any ¯uids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in
Recommended Fluids and Lubricants on page 6-11.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel ®ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-13for further
details.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOLžcoolant mixture if necessary. SeeEngine
Coolant on page 5-20for further details.
Windshield Washer Fluid Level Check
Check the windshield washer ¯uid level in the windshield
washer tank and add the proper ¯uid if necessary.
At Least Once a Month
Tire Inspection and In¯ation Check
Visually inspect your tires for wear and make sure tires
are in¯ated to the correct pressures. SeeTires on
page 5-50for further details.
6-8

Erasing HomeLinkžButtons..............................2-40
Event Data Recorders (EDR)............................. 7-8
Exit Lights.....................................................3-67
Exit/Entry Lighting...........................................3-26
Express-Down Window....................................2-16
Express-Up Window........................................2-16
Extender, Safety Belt.......................................1-17
Exterior Lamps...............................................3-22
Exterior Lighting Battery Saver..........................3-25
F
Feature Programming......................................3-66
Filter
Engine Air Cleaner......................................5-18
Finish Care....................................................5-79
Finish Damage...............................................5-80
Flash at Lock.................................................3-68
Flash at Unlock..............................................3-68
Flash-to-Pass................................................... 3-7
Flat Tire........................................................5-73
Floor Mats.....................................................2-42
Fluid
Automatic Transmission................................5-19
Power Steering...........................................5-32
Windshield Washer......................................5-33
FM Stereo.....................................................3-72FOB Reminder...............................................3-68
Fog Lamp Light..............................................3-53
Fog Lamps....................................................3-24
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6
Filling a Portable Fuel Container....................5-10
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-54
Gasoline Octane........................................... 5-5
Gasoline Speci®cations.................................. 5-5
Fuses
Fuses and Circuit Breakers...........................5-85
Windshield Wiper.........................................5-84
G
Gage
Engine Coolant Temperature.........................3-47
Engine Oil Pressure.....................................3-52
Fuel..........................................................3-54
Speedometer..............................................3-41
Tachometer.................................................3-41
Voltmeter Gage...........................................3-44
Garage Door Opener.......................................2-37
5

M
Magnetic Ride Control.....................................4-10
Magnetic Speed Variable Assist Steering............4-12
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-8
At Least Once a Month.................................. 6-8
At Least Once a Year.................................... 6-9
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-7
Maintenance Record....................................6-14
Maintenance Requirements............................. 6-2
Normal Maintenance Replacement Parts.........6-13
Owner Checks and Services........................... 6-8
Recommended Fluids and Lubricants.............6-11
Scheduled Maintenance................................. 6-4
Using Your................................................... 6-2
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-48
Map Pocket...................................................2-42
Matching Transmitter(s) to Your Vehicle............... 2-5
Memory Mirrors..............................................2-53
Memory Seat.................................................2-53
Memory Steering Wheel Controls......................2-53
Message
DIC Warnings and Messages........................3-57Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands) ± Customer Assistance....................... 7-4
Mirror Operation.............................................2-33
Mirrors
Automatic Dimming Rearview with OnStar
ž.....2-33
Memory.....................................................2-53
Outside Automatic Dimming Mirror.................2-34
Outside Convex Mirror.................................2-34
Outside Curb View Assist Mirror....................2-34
Outside Power Heated Mirrors.......................2-33
MyGMLink.com................................................ 7-3
N
Navigation/Radio System..................................3-71
New Vehicle Break-In......................................2-19
Normal Maintenance Replacement Parts............6-13
O
Odometer......................................................3-41
Odometer, Trip...............................................3-41
Off-Road Recovery..........................................4-15
Oil
Engine.......................................................5-13
Engine Oil Pressure Gage............................3-52
Life Indicator...............................................3-70
8