
8. To remove, squeeze the tab on the side of the
sockets while turning them counterclockwise.9. Turn the bulb counterclockwise to remove it.
Install the new bulb.
10. Reverse the above steps to reinstall the lamp.
5-53
2003 - Savana OM

Center High Mounted Stoplamp
(CHMSL)
It is recommended that this component be replaced as
a unit by your dealer.
1. Remove the two screws.
2. Remove the lamp assembly.
3. Remove the socket and bulb.
Replacement Bulbs
Exterior Lamp Bulb Number
Sealed Beam Headlamps H6054
Composite Low-Beam Headlamps 9006GS
Composite High-Beam Headlamps 9005
Front Sidemarker Lamp 194
Front Parking and Turn Lamp 3157KX
Back-up Lamp 3157
Rear Parking, Stop, and Turn Lamp 3157
CHMSL 912
For any bulb not listed here, contact your dealer.
5-54
2003 - Savana OM

Audio System(s) (cont.)
Fixed Mast Antenna.....................................3-76
Radio with Cassette and CD.........................3-49
Radio with CD............................................3-45
Radio with Six-Disc CD................................3-60
Rear Seat Audio (RSA)................................3-71
Setting the Time for Radios with Radio
Data Systems (RDS)................................3-41
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-41
Theft-Deterrent Feature................................3-73
Understanding Radio Reception.....................3-74
Automatic Transmission
Fluid..........................................................5-19
Operation...................................................2-24
Automatic Transmission Check..........................6-13
Automatic Transmission Shift Lock Control
System Check.............................................6-14
B
Backing Up....................................................4-43
Battery..........................................................5-40
Battery Replacement......................................... 2-6
Battery Run-Down Protection............................3-15
Before Leaving on a Long Trip.........................4-21
Body Lubrication Service..................................6-13Brake
Parking......................................................2-26
System Inspection.......................................6-17
System Warning Light..................................3-31
Brake Adjustment............................................5-39
Brake Fluid....................................................5-37
Brake Pedal Travel.........................................5-39
Brake Wear...................................................5-39
Brakes..........................................................5-37
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-9
Break-In, New Vehicle.....................................2-20
Bulb Replacement...........................................5-50
Front Turn Signal, Sidemarker and
Parking Lamps.........................................5-52
Halogen Bulbs............................................5-50
Headlamps.................................................5-50
Replacement Bulbs......................................5-54
Taillamps....................................................5-52
Buying New Tires...........................................5-61C
California Fuel.................................................. 5-5
Canada........................................................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
2
2003 - Savana OM

Gasoline
Octane........................................................ 5-4
Specifications............................................... 5-5
Glass Surfaces...............................................5-84
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-4
Headlamp High/Low Beam Changer.................... 3-7
Headlamp Wiring............................................5-91
Headlamps....................................................5-50
Bulb Replacement.......................................5-50
Front Turn Signal, Sidemarker and
Parking Lamps.........................................5-52
Halogen Bulbs............................................5-50
Highway Hypnosis...........................................4-22
Hill and Mountain Roads..................................4-22
Hitches..........................................................4-41
Hood
Checking Things Under.................................. 5-9
Release.....................................................5-10
Horn ............................................................... 3-5
How to Add Coolant to the Coolant
Recovery Tank............................................5-29How to Add Coolant to the Radiator..................5-31
How to Add Fluid............................................5-22
How to Check........................................5-19, 5-57
How to Check Lubricant...................................5-47
How to Check Power Steering Fluid..................5-35
How to Inspect the Engine Air Cleaner/Filter..........5-18
How to Reset the CHANGE ENGINE OIL Light......5-16
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-14
Hydroplaning..................................................4-18
I
If No Steam Is Coming From Your Engine..........5-27
If Steam Is Coming From Your Engine...............5-26
If the Light Is Flashing.....................................3-34
If the Light Is On Steady.................................3-35
If You Are Stuck in Sand, Mud, Ice or Snow.......4-28
If You Do Decide To Pull A Trailer.....................4-32
If You’re Caught in a Blizzard...........................4-26
Ignition Positions.............................................2-21
Ignition Transmission Lock Check......................6-15
Infants and Young Children, Restraints...............1-36
Inflation–Tire Pressure...................................5-57
Inside Day/Night Rearview Mirror......................2-32
7
2003 - Savana OM

Radios (cont.)
Radio with CD............................................3-45
Radio with Six-Disc CD................................3-60
Rear Seat Audio..........................................3-71
Setting the Time for Radios with Radio
Data Systems (RDS)................................3-41
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-41
Theft-Deterrent............................................3-73
Understanding Reception..............................3-74
RDS Messages......................................3-54, 3-65
Reading Lamps..............................................3-15
Rear Air Conditioning and Heating System.........3-19
Rear Axle......................................................5-47
Locking........................................................ 4-9
Service......................................................6-17
Rear Door Security Locks................................2-10
Rear Doors....................................................2-15
Rear Heating System......................................3-18
Rear Safety Belt Comfort Guides......................1-29
Rear Seat Audio (RSA)....................................3-71
Rear Seat Operation......................................... 1-5
Rear Seat Outside Passenger Positions.............1-26
Rear Seat Passengers, Safety Belts..................1-26
Rear Seat Radio Controls................................3-72
Rear Window Defogger....................................3-22
Rearview Mirrors.............................................2-32Reclining Seatbacks.......................................... 1-3
Recreational Vehicle Towing.............................4-29
Remote Keyless Entry System............................ 2-4
Remote Keyless Entry System, Operation............ 2-5
Removing the Flat Tire and Installing the
Spare Tire..................................................5-73
Removing the Rear Seat................................... 1-5
Removing the Spare Tire and Tools...................5-67
Removing the Wheel Covers............................5-73
Replacement Bulbs.........................................5-54
Replacing Brake System Parts..........................5-40
Replacing Restraint System Parts
After a Crash..............................................1-76
Replacing the Rear Seats.................................. 1-7
Reporting Safety Defects
Canadian Government..................................7-10
General Motors...........................................7-10
United States Government.............................. 7-9
Restraint System Check...................................6-13
Checking Your Restraint Systems...................1-75
Replacing Restraint System Parts
After a Crash..........................................1-76
Restraint Systems
Checking....................................................1-75
Replacing Parts...........................................1-76
Resynchronization............................................. 2-6
Retained Accessory Power (RAP)......................2-21
12
2003 - Savana OM