2007 CADILLAC DTS PROFESSIONAL air conditioning

Relays Usage
R10 Windshield Wiper High
R11 Air Conditioning
R12 Air Solenoid
Rear Underseat Fuse Block
The rear fuse block is located under the rear seat
on the driver’s side. The rear seat cushion
must be removed to access the rear fuse block.
Removing the Rear Seat Cushion
Notice:If you touch the exposed wires with
the metal on the seat cushion, you could cause
a short that could damage the battery and or
wires. Avoid contact between the rear seat and
the fuse center whenever you remove or
reinstall the rear seat. Do not remove covers
from any of the covered parts, and do not store
anything under the seats.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.
To access the fuse block, pull out and lift up on
the cover latch, located at the end of the fuse
block, near the battery cable.
455

Circuit
BreakersUsage
CB1Front Passenger’s Seat, Memory
Seat Module
CB2Driver’s Power Seat, Memory
Seat Module
CB3 Door Module, Power Windows
CB4Memory Seat Module, Tilt/
Telescoping Steering
Wheel (Option)
Resistor Usage
F39 Terminating Resistor
Relays Usage
R1 Retained Accessory Power
R2 Park Lamps
R3 Run
Relays Usage
R4 Park Lamps - Export (Option)
R5Front Heating, Ventilation, Air
Conditioning Fan (Option)
R6 Trunk Release (Option)
R7 Fuel Pump
R8Door Unlatch, License Plate
Lamp (Option)
R9 Door Lock
R10 Door Unlock
R11 Overhead Lamps (Option)
R12 Stoplamps (Option)
R13 Not Used
R14 Rear Defogger (Option)
R15Electronic Leveling Control
Compressor
459

Capacities and Specications
The following approximate capacities are given in English and metric conversions. SeeRecommended
Fluids and Lubricants on page 475for more information.
ApplicationCapacities
English Metric
Air Conditioning RefrigerantFor the air conditioning system refrigerant charge
amount, see the refrigerant caution label located
under the hood. See your dealer for more
information.
Cooling System 12.6 qt 12.0 L
Engine Oil with Filter 7.5 qt 7.1 L
Fuel Tank 18.5 gal 70.0 L
Transaxle 7.0 qt 6.6 L
Wheel Nut Torque 100 lb ft
140Y
All capacities are approximate. When adding, be sure to ll to the approximate level as recommended in this
manual. Recheck uid level after lling.
Engine Specications
Engine VIN Code Transaxle Spark Plug Gap
4.6L DOHC V8 Y Automatic 0.050 inches (1.27 mm)
4.6L DOHC V8 9 Automatic 0.050 inches (1.27 mm)
460

(c)Visually inspect hoses and have them replaced
if they are cracked, swollen, or deteriorated.
Inspect all pipes, ttings and clamps; replace with
genuine parts as needed. To help ensure
proper operation, a pressure test of the cooling
system and pressure cap and cleaning the outside
of the radiator and air conditioning condenser is
recommended at least once a year.
(d)Inspect wiper blades for wear, cracking, or
contamination. Clean the windshield and
wiper blades, if contaminated. Replace wiper
blades that are worn or damaged. See Windshield
Wiper Blade Replacement on page 400and
Windshield and Wiper Blades on page 445for
more information.
(e)Make sure the safety belt reminder light and all
your belts, buckles, latch plates, retractors, and
anchorages are working properly. Look for
any other loose or damaged safety belt system
parts. If you see anything that might keep a safety
belt system from doing its job, have it repaired.
Have any torn or frayed safety belts replaced. Also
look for any opened or broken airbag coverings,
and have them repaired or replaced. The
airbag system does not need regular maintenance.(f)Lubricate all key lock cylinders. Lubricate all
hinges and latches, including those for the hood,
rear compartment, glove box door, and console
door. More frequent lubrication may be required
when exposed to a corrosive environment.
Applying silicone grease on weatherstrips with a
clean cloth will make them last longer, seal better,
and not stick or squeak.
(g)If you drive regularly under dusty conditions,
the lter may require replacement more often.
(h)Change automatic transmission uid and lter
if the vehicle is mainly driven under one or
more of these conditions:
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C)
or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Professional vehicle uses, such as limousine
service.
Uses such as high performance operation.
470

A
Accessories and Modications..................... 353
Adaptive Cruise Control............................... 179
Adding Equipment to Your
Airbag-Equipped Vehicle............................ 87
Additives, Fuel............................................ 357
Add-On Electrical Equipment....................... 451
Air Cleaner/Filter, Engine............................. 370
Air Conditioning........................................... 210
Airbag
Passenger Status Indicator....................... 227
Readiness Light....................................... 226
Airbag System............................................... 70
What Will You See After an
Airbag Inates?...................................... 80
When Should an Airbag Inate?................. 77
Where Are the Airbags?............................. 73
Airbag Systems
Adding Equipment to Your
Airbag-Equipped Vehicle......................... 87
How Does an Airbag Restrain?.................. 79
Passenger Sensing System....................... 81
Servicing Your Airbag-Equipped Vehicle..... 86
What Makes an Airbag Inate?.................. 79
Analog Clock............................................... 210
Antenna, Backglass..................................... 300Antenna, XM™ Satellite Radio Antenna
System.................................................... 300
Anti-Lock Brake System.............................. 307
Anti-Lock Brake, System Warning Light....... 230
Appearance Care
Aluminum or Chrome-Plated Wheels........ 446
Care of Safety Belts................................ 443
Chemical Paint Spotting........................... 448
Cleaning Exterior Lamps/Lenses.............. 444
Cleaning the Inside of Your Vehicle.......... 440
Fabric/Carpet........................................... 441
Finish Care.............................................. 444
Finish Damage......................................... 447
Instrument Panel, Vinyl, and
Other Plastic Surfaces.......................... 443
Leather.................................................... 442
Sheet Metal Damage............................... 447
Speaker Covers....................................... 443
Tires........................................................ 447
Underbody Maintenance........................... 448
Vehicle Care/Appearance Materials.......... 449
Washing Your Vehicle.............................. 444
Weatherstrips........................................... 444
Windshield and Wiper Blades................... 445
Wood Panels........................................... 443
Ashtray....................................................... 209
503