2003 CHEVROLET TAHOE service indicator

30,000 Miles (50 000 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
qReplace fuel ®lter.An Emission Control Service.
(See footnote ².)
qReplace engine air cleaner ®lter on vehicles without
a restriction indicator. If equipped with a change
indicator, inspect the indicator. If necessary, replace
the ®lter. If vehicle is driven in dusty/dirty conditions,
inspect the change indicator (if equipped) at every
engine oil change. See
Engine Air Cleaner/Filter on
page 5-23for more information.An Emission
Control Service. (See footnote ².)
37,500 Miles (62 500 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
45,000 Miles (75 000 km)
qInspect engine air cleaner ®lter or change indicator
(if equipped). If necessary, replace the ®lter. If
vehicle is driven in dusty/dirty conditions, inspect
®lter or change indicator (if equipped) at every engine
oil change. See
Engine Air Cleaner/Filter on
page 5-23for more information.An Emission Control
Service. (See footnote ².)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
6-7

50,000 Miles (83 000 km)
qChange automatic transmission ¯uid and ®lter if the
vehicle's GVWR is over 8600 lbs or if the vehicle is
mainly driven under one or more of these conditions:
þ In heavy city traffic where the outside
temperature regularly reaches 90ÉF (32ÉC)
or higher.
þ In hilly or mountainous terrain.
þ When doing frequent trailer towing.
þ Uses such as found in taxi, police or delivery
service.
If you do not use your vehicle under any of these
conditions, change the ¯uid and ®lter at 100,000 miles
(166 000 km).
qChange transfer case ¯uid.
52,500 Miles (87 500 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
60,000 Miles (100 000 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
qReplace fuel ®lter.An Emission Control Service.
(See footnote ².)
qReplace engine air cleaner ®lter on vehicles without
a restriction indicator. If equipped with a change
indicator, inspect the indicator. If necessary, replace
the ®lter. If vehicle is driven in dusty/dirty conditions,
inspect the change indicator (if equipped) at every
engine oil change. See
Engine Air Cleaner/Filter on
page 5-23for more information.An Emission
Control Service. (See footnote ².)
qInspect Evaporative Control System. Check all fuel
and vapor lines and hoses for proper hook-up,
routing and condition. Check that the purge valve
works properly, if equipped. Replace as needed.
An Emission Control Service. (See footnote ².)
6-8

67,500 Miles (112 500 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
75,000 Miles (125 000 km)
qInspect engine air cleaner ®lter or change indicator
(if equipped). If necessary, replace the ®lter. If vehicle
is driven in dusty/dirty conditions, inspect ®lter or
change indicator (if equipped) at every engine oil
change. See
Engine Air Cleaner/Filter on page 5-23for more information.An Emission Control Service.
(See footnote ².)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
82,500 Miles (137 500 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qRotate tires. See
Tire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
90,000 Miles (150 000 km)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
qReplace fuel ®lter.
An Emission Control Service.
(See footnote ².)
qReplace engine air cleaner ®lter on vehicles without
a restriction indicator. If equipped with a change
indicator, inspect the indicator. If necessary, replace
the ®lter. If vehicle is driven in dusty/dirty conditions,
inspect the change indicator (if equipped) at every
engine oil change. See
Engine Air Cleaner/Filter on
page 5-23for more information.An Emission
Control Service. (See footnote ².)
qRotate tires. SeeTire Inspection and Rotation on
page 5-69for proper rotation pattern and additional
information.(See footnote +.)
6-9

K
Key Lock Cylinders Service..............................6-13
KEYFOB X BATTERY LOW.............................3-68
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Lamps On Reminder.......................................3-15
Lamps...........................................................3-14
Exterior......................................................3-14
Interior.......................................................3-17
Lap Belt........................................................1-39
Lap-Shoulder Belt...........................................1-30
LATCH System...............................................1-62
Child Restraints...........................................1-62
Securing a Child Restraint Designed for the
LATCH System........................................1-64
Leaving Your Vehicle With the Engine Running . . . 2-40
LEFT REAR DOOR AJAR................................3-67
Level Control..................................................4-64
Liftgate Glass and Liftgate................................2-14
Liftgate..........................................................2-14
Lighted Visor Vanity Mirror...............................2-18
Light.............................................................3-39
Air Bag Readiness.......................................3-39
Anti-Lock Brake System Warning...................3-44
Battery Warning..........................................3-41Light (cont.)
Brake System Warning.................................3-42
Cruise Control.............................................3-51
Four-Wheel-Drive.........................................3-51
Low Fuel Warning.......................................3-53
Malfunction Indicator....................................3-47
Passenger Air Bag Status Indicator................3-39
Safety Belt Reminder...................................3-38
Tow/Haul Mode...........................................3-52
Traction Off................................................3-44
Listening to a DVD..............................3-100, 3-114
Loading Your Vehicle for Off-Road Driving..........4-26
Loading Your Vehicle.......................................4-62
Locking Rear Axle...........................................4-12
Lockout Protection..........................................2-13
Lock-Out Switch.............................................2-18
Locks............................................................2-10
Delayed Locking..........................................2-10
Door........................................................... 2-8
Lockout Protection.......................................2-13
Power Door.................................................. 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-13
Loss of Control...............................................4-21
LOW COOLANT LEVEL..................................3-67
Low Fuel Warning Light...................................3-53
Luggage Carrier..............................................2-62
Lumbar........................................................... 1-5
Power Controls............................................. 1-5
10

M
Maintenance, Normal Replacement Parts..........5-121
Maintenance Schedule.....................................6-11
At Each Fuel Fill.........................................6-11
At Least Once a Month................................6-11
At Least Once a Year..................................6-13
At Least Twice a Year..................................6-12
Brake System Inspection..............................6-17
Engine Cooling System Inspection.................6-17
Exhaust System Inspection...........................6-16
Fuel System Inspection................................6-16
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-11
Part C - Periodic MaintenanceInspections......6-16
Part D - Recommended Fluids and Lubricants....6-18
Part E - Maintenance Record........................6-20
Scheduled Maintenance................................. 6-5
Steering and Suspension Inspection...............6-16
Transfer Case and Front Axle (Four-Wheel
Drive) Inspection......................................6-17
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-77
Making Turns.................................................4-75Malfunction Indicator Light................................3-47
Manual Seats................................................... 1-3
Manual Windows............................................2-16
Matching Transmitter(s) to Your Vehicle............... 2-6
Memory Seat.................................................2-66
Message.......................................................3-64
DIC Warnings and Messages........................3-64
Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands) ± Customer Assistance....................... 7-5
Mirrors..........................................................2-49
Automatic Dimming Rearview with Compass
and Temperature Display...........................2-49
Automatic Dimming Rearview with OnStar
ž,
Compass and Temperature Display.............2-45
Manual Rearview Mirror................................2-45
Outside Automatic Dimming Mirror.................2-53
Outside Camper-Type Mirrors........................2-52
Outside Convex Mirror.................................2-54
Outside Curb View Assist Mirrors...................2-54
Outside Heated Mirrors................................2-54
Outside Manual Mirrors................................2-51
Outside Power Camper-Type.........................2-53
Outside Power Foldaway Mirrors....................2-53
Outside Power Mirrors..................................2-52
Model Reference................................................ vi
MyGMLink.com................................................ 7-4
11

Park(P).........................................................2-39
Shifting Into................................................2-39
Part A - Scheduled Maintenance Services............ 6-4
Part B - Owner Checks and Services................6-11
Part C - Periodic MaintenanceInspections..........6-16
Part D - Recommended Fluids and Lubricants....6-18
Part E - Maintenance Record...........................6-20
Passenger Air Bag Indicator.....................2-48, 2-51
Passenger Air Bag Status Indicator...................3-39
PASSENGER DOOR AJAR..............................3-67
Passenger Sensing System..............................1-83
Passing.................................................4-20, 4-74
Passlock
ž......................................................2-20 .
Personalization Button.....................................3-58
Plan Ahead When Possible................................ 7-8
Playing a Cassette Tape..................................3-96
Playing a Compact Disc.................3-85, 3-98, 3-109
Playing a Speci®c Loaded Compact Disc..........3-110
Playing the Radio.................3-73, 3-77, 3-88, 3-102
Power Steering...............................................4-15
Power Winches..............................................4-81
Power...........................................................3-19
Accessory Outlets........................................3-19
Door Locks.................................................. 2-9
Electrical System.......................................5-108Power (cont.)
Lumbar Controls........................................... 1-5
Seat............................................................ 1-4
Steering Fluid.............................................5-43
Windows....................................................2-16
Programmable Automatic Door Locks.................2-10
Programming the HomeLink Transmitter.............2-58
Q
QUADRASTEERŸ..........................................4-17
Questions and Answers About Safety Belts.........1-28
R
Radio Data System (RDS)..............3-76, 3-87, 3-101
Radio Messages.............................3-75, 3-82, 3-93
Radios..........................................................3-72
AM-FM Radio.............................................3-73
Care of Your Cassette Tape Player...............3-127
Care of Your CD and DVD Player................3-129
Care of Your CDs and DVDs.......................3-128
Radio with Cassette and CD.........................3-87
Radio with CD............................................3-76
13

V
Vehicle Identi®cation......................................5-107
Number (VIN)............................................5-107
Service Parts Identi®cation Label..................5-107
Vehicle Personalization....................................2-66
Memory Seat..............................................2-66
Vehicle Storage..............................................5-49
Vehicle............................................................ 4-6
Control........................................................ 4-6
Damage Warnings........................................... iv
Loading......................................................4-62
Symbols......................................................... iv
Video Screen................................................3-117
Visors...........................................................2-18
Voltmeter Gage..............................................3-42
W
Warning Lights, Gages and Indicators................3-36
Warnings.......................................................3-64
DIC Warnings and Messages........................3-64
Hazard Warning Flashers............................... 3-6
Other Warning Devices.................................. 3-6
Safety and Symbols......................................... iii
Vehicle Damage.............................................. ivWashing Your Vehicle....................................5-102
Weatherstrip Lubrication...................................6-12
Weight of the Trailer Tongue.............................4-71
Weight of the Trailer........................................4-68
What Kind of Engine Oil to Use........................5-20
What to Add..................................................5-46
What to Do with Used Oil................................5-23
What to Use..................................5-30, 5-44, 5-57
Wheels..........................................................5-74
Alignment and Tire Balance..........................5-74
Replacement...............................................5-74
When to Add Engine Oil..................................5-19
When to Change Engine Oil (GM Oil Life
System).....................................................5-22
When to Check and Change............................5-26
When to Check Lubricant.................................5-56
When to Check Power Steering Fluid................5-43
When to Check..............................................5-68
When to Inspect.............................................5-23
When You Are Ready to Leave After Parking
on a Hill.....................................................4-77
Where to Put the Restraint...............................1-56
Why Safety Belts Work....................................1-25
Windows.......................................................2-16
Manual......................................................2-16
Power........................................................2-16
19