CADILLAC CTS 2003 1.G Owners Manual

6-65
Removing the Rear Seat Cushion
NOTICE:
A fuse center is located under the rear seat
cushion. To help avoid damage to the fuse
center, be careful when removing or reinstalling
the seat cushion.
To remove the rear seat cushion, do the following:
1. Pull up on the front of the cushion to release the
front hooks.
2. Pull the cushion up and out toward the front of
the vehicle.
3. Slide the cushion out one of the rear doors and set
it aside.
Rear Pass-Through Seat

6-66
Split-Folding Rear Seat
CAUTION:
A safety belt that isn't properly routed through
the seat cushion or is twisted won't provide the
protection needed in a crash. If the safety belt
hasn't been routed through the seat cushion at
all, it won't be there to work for the next
passenger. The person sitting in that position
could be badly injured. After reinstalling the seat
cushion, always check to be sure that the safety
belts are properly routed and are not twisted.

6-67
To reinstall the rear seat cushion, do the following:
1. Position the seat cushion so that you can route
the safety belts through the proper slots in the
seat cushion.
2. Slide the rear of the cushion up and under the
seatback so the rear
-locating guides hook into the
wire loops on the back frame.
3. With the seat cushion lowered, push rearward and
then press down on the seat cushion until the seat
cushion snaps into place.
4. Push and pull on the seat cushion to make sure it is
locked into place.
5. Check to make sure the safety belts are properly
routed and that no portion of any safety belt is
trapped under the seat cushion.Rear Underseat Fuse Block (Driver's Side)
The driver's side rear fuse block is located under the
rear seat on the driver's side of the vehicle. The rear
seat cushion must be removed to access the rear fuse
block. See ªRemoving the Rear Seat Cushionº
listed previously.
To access the fuse block, push in the two tabs located at
each end of the fuse block cover. Then lift the cover off.

6-68
Relays Usage
SPARE Not Used
SPARE Not Used
SPARE Not Used
PUSHER FAN Pusher Fan (Export Only)
L POSITION
RELAY MICRODriver's Side Position Lamp
R POSITION
RELAY MICROPassenger's Side Position Lamp
IGN 3 RELAY
MICROHeated Seat Modules, Air Inlet
Motor, Shifter Assembly
STANDING
LAMP RLY
MICROControl for Position Lamp RelaysRelays Usage
TRK DR REL
SOL RELAY
MICROTrunk Release Motor
REV LAMP
RELAY MICROISRVM (Inside Rearview Mirror),
License Plate Lamp Assembly
Minifuses Usage
L FRT HTD
SEAT MODDriver's Heated Seat Module
MEM/ADAPT
SEATDriver's Power Seat Switch,
Memory Seat Module
TRUNK DR
RELEASETrunk Release Motor
REVERSE
LAMPISRVM (Inside Rearview Mirror),
License Plate Lamp Assembly
SPARE Not Used
POSITION
LAMPTaillamp Assemblies, Front
Position Lamp Assemblies
SPARE Not Used
SPARE Not Used
AUDIO Radio, OnStar Module

6-69
Minifuses Usage
SPARE Not Used
REAR DR MOD Rear Door Modules
SPARE Not Used
DRIVER DR
MODDriver's Door Module
SPARE Not Used
HDLP
LEVELINGHeadlamp Leveling System
Chassis Sensors (Export Only)
EBCM EBCM (Electronic Brake
Control Module)
CCP CCP (Climate Control Panel)
IGN 3 Heated Seat Modules, Air Inlet
Motor, Shifter Assembly
J Cases Usage
AMP Audio Amplifier
PUSHER FAN Pusher Fan (Export Only)
Circuit
BreakersUsage
SEAT C/B Power Seat Switches, Memory
Seat ModuleRear Underseat Fuse Block (Passenger's Side)
The passenger's side rear fuse block is located under the
rear seat on the passenger's side of the vehicle. The rear
seat cushion must be removed to access the rear fuse
block. See ªRemoving the Rear Seat Cushionº
listed previously.
To access the fuse block, push in the two tabs located at
each end of the fuse block cover. Then lift the cover off.

6-70
Minifuses Usage
INTERIOR
LAMPHush Panel Lamps, Puddle
Lamps, Overhead Courtesy
Lamp Assembly
PSGR DR MOD Right Front Passenger
Door Module
RIM RIM (Rear Integration Module),
Ignition Switch, Key Lock
Cylinder
REAR
FOG LAMPRear Fog Lamps (Export Only)
SPARE Not Used
NAV TV Tuner Assembly (Export
Only), VICS (Vehicle Information
Communication System) ModuleMinifuses Usage
SPARE Not Used
SPARE Not Used
POWER
SOUNDERPower Sounder, Inclination Sensor
SPARE Not Used
TRUNK LAMP Trunk Lamp
FUEL
PUMP MTRFuel Pump Motor
AFTERBOIL Afterboil Heater Pump
R FRT HTD
SEAT MODPassenger's Side Heated
Seat Module
SPARE Not Used
SIR SDM (Sensing Diagnostic
Module)
RIM ISRVM (Inside Rearview Mirror),
Power Sounder, RIM, Passive
Trunk Release Sensor
CANISTER
VENTCanister Vent Solenoid
SPARE Not Used

6-71
Circuit
BreakersUsage
DR MOD
PWR C/BDoor Modules
J Cases Usage
REAR DEFOG Rear Window Defogger Element
SUNROOF
MODPower Sunroof Module
Relays Usage
RAP
RELAY MINIRetained Accessory Power
SPARE Not Used
REAR DEFOG
RELAY MINIRear Window DefoggerRelays Usage
SPARE Not Used
AFTER
BOIL MICROAfterboil Heater Pump
INT LAMP
RELAY MICROHush Panel Lamps, Puddle
Lamps, Overhead Courtesy
Lamp Assembly
IGN 1 RELAY
MICROIgnition Switch
REAR FOG
LAMP RLY
MICRORear Fog Lamps (Export Only)
FUEL PUMP
MOTOR RLY
MICROFuel Pump Motor

6-72
Replacement Bulbs
For any bulb not listed here contact your dealer.
Application Number
Front and Rear Turn Signal Lamps 3157K. . . . . . . . .
Fog Lamps 9145. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Back
-Up Lamps 3157K. . . . . . . . . . . . . . . . . . . . . . . .
License Plate Lamps W5WLL. . . . . . . . . . . . . . . . . .
Taillamps 3157K. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop Lamps 3157K. . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Sidemarker Lamps 3157K. . . . . . . . . . . . . . . . . .
Capacities and Specifications
The following approximate capacities are given in
English and metric conversions. Please refer to
ªRecommended Fluids and Lubricantsº Index
for more information.
Engine Specifications
Type 3.2 L V6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VIN Engine Code N. . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel Nut Torque
100 lb-ft (140 N´m)
Capacities
Automatic
Transmission (5L40
-E) 9.0 quarts (8.5 L). . . . . . . .
Manual Transmission (M35) 1.3 quarts (1.3 L). . . . .
Engine Oil with Filter 5.0 quarts (4.8 L). . . . . . . . . .
Engine Cooling System 10.4 quarts (9.8 L). . . . . . . .
Fuel Tank 17.5 U.S. gallons (66.2 L). . . . . . . . . . . . .
All capacities are approximate. When adding, be sure to
fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.

6-73
Air Conditioning Refrigerant
Capacity
If you do your own service work, you'll need the proper
service manual. See ªDoing Your Own Service Workº in
the Index for additional information. It is recommended
that service work on your air conditioning system be
performed by a qualified technician.
Air Conditioning
Refrigerant R134a 1.3 lbs. (0.59 kg). . . . . . . . . . . . .
Use Refrigerant Oil, R134a Systems
Normal Maintenance
Replacement Parts
Engine Air Cleaner/Filter A2029C*. . . . . . . . . . . . . . .
Passenger Compartment Air
Filter Element GM Part No. 25740404. . . . . . . . . . .
Engine Oil Filter PF2245*. . . . . . . . . . . . . . . . . . . . .
Spark
Plugs FGR8KQE0**. . . . . . . . . . . . . . . . . . . . . . . .
(GM Part No. 24425327)
Gap: 0.060 inches (1.4 mm)
Windshield Wiper Blade
(Shepherd's Hook Type) 22 inches (56.5 cm). . . . . .
*AC Delco

part number.
**Bosch part number.

7-
7-1
Section 7 Maintenance Schedule
This section covers the maintenance required for your vehicle. Your vehicle needs these services to retain its safety,
dependability and emission control performance.
7
-2 Introduction
7
-4 Part A: Scheduled Maintenance Services
7
-5 Scheduled Maintenance
7
-16 Part B: Owner Checks and Services7
-21 Part C: Periodic Maintenance Inspections
7
-23 Part D: Recommended Fluids and Lubricants
7
-25 Part E: Maintenance Record