2010 CADILLAC DTS cooling

FusesUsage
9Engine Control Module (ECM),Powertrain Control Module (PCM)
10Climate Control System, InstrumentPanel Cluster Ignition 1
11Airbag System
12Horn
13Windshield Wiper
14Fog Lamps
15Right High-Beam Headlamp
16Left High-Beam Headlamp
17Left Low-Beam Headlamp
18Right Low-Beam Headlamp
19Windshield Washer Pump Motor
20Left Front Cornering Lamp
21Right Front Cornering Lamp
22Air Pump (J-Case)
23Antilock Brake System (ABS)(J-Case)
FusesUsage
24Starter (J-Case)
25Antilock Brake System (ABS)Motor (J-Case)
26Cooling Fan 2 (J-Case)
27Cooling Fan 1 (J-Case)
RelaysUsage
29Powertrain
30Starter
31Cooling Fan 2
32Cooling Fan 3
33Cooling Fan 1
34Air Conditioning Clutch
35Air Injection Reactor (AIR) Solenoid
36Ignition
37Air Pump
6-103

Capacities and Specifications
The following approximate capacities are given in English and metric conversions. SeeRecommended Fluids andLubricants on page 7-8for more information.
Application
Capacities
EnglishMetric
Air Conditioning Refrigerant
For the air conditioning system refrigerantcharge amount, see the refrigerant caution labellocated under the hood. See your dealer/retailerfor more information.
Cooling System12.6 qt12.0 L
Engine Oil with Filter7.5 qt7.1 L
Fuel Tank18.5 gal70.0 L
Transmission Fluid (Bottom Pan Removal)7.4 qt7.0 L
Wheel Nut Torque100 lb ft140Y
All capacities are approximate. When adding, be sure to fill to the approximate level as recommended in thismanual. Recheck fluid level after filling.
Engine Specifications
EngineVIN CodeTransmissionSpark Plug Gap
4.6L DOHC V8 EngineYAutomatic0.050 in (1.27 mm)
4.6L DOHC V8 Engine9Automatic0.050 in (1.27 mm)
6-109

•Fluids visual leak check (or every 12 months,
whichever occurs first). A leak in any system mustbe repaired and the fluid level checked.
•Engine air cleaner filter inspection. SeeEngine Air
Cleaner/Filter on page 6-17.
•Brake system inspection (or every 12 months,
whichever occurs first).
•Steering and suspension inspection. Visual
inspection for damaged, loose, or missing parts orsigns of wear.
•Engine cooling system inspection. Visual inspection
of hoses, pipes, fittings, and clamps andreplacement, if needed.
•Windshield wiper blade inspection for wear,
cracking, or contamination and windshield and wiperblade cleaning, if contaminated. SeeWindshieldand Wiper Blades on page 6-97. Worn or damagedwiper blade replacement. SeeWindshield WiperBlade Replacement on page 6-44.
•Body hinges and latches, key lock cylinders,
console hinges, and glove box door hingeslubrication. SeeRecommended Fluids andLubricants on page 7-8. More frequent lubricationmay be required when vehicle is exposed to acorrosive environment.
Applying silicone grease on weatherstrips with aclean cloth makes them last longer, seal better, andnot stick or squeak.
•Restraint system component check. SeeChecking
the Restraint Systems on page 2-74.
•Automatic transmission fluid level check and adding
fluid, if needed. SeeAutomatic Transmission Fluidon page 6-19.
Additional Required Services
At Each Fuel Stop
•Engine oil level check. SeeEngine Oil on
page 6-13.
•Engine coolant level check. SeeEngine Coolant on
page 6-23.
•Windshield washer fluid level check. SeeWindshield
Washer Fluid on page 6-31.
Once a Month
•Tire inflation check. SeeInflation - Tire Pressure on
page 6-54.
•Tire wear inspection. SeeTire Inspection and
Rotation on page 6-62.
7-4

Once a Year
•Starter switch check. SeeOwner Checks and
Services on page 7-6.
•Parking brake and automatic transmission P (Park)
mechanism check. SeeOwner Checks andServices on page 7-6.
•Automatic transmission shiftlock control system
check. SeeOwner Checks and Services onpage 7-6.
•Ignition transmission lock check. SeeOwner
Checks and Services on page 7-6.
•Engine cooling system and pressure cap pressure
check. Radiator and air conditioning condenseroutside cleaning. SeeCooling System on page 6-22.
•Exhaust system and nearby heat shields inspection
for loose or damaged components.
•Accelerator pedal check for damage, high effort, or
binding. Replace if needed.
First Engine Oil Change After Every
40 000 km/25,000 Miles
•Fuel system inspection for damage or leaks.
•Passenger compartment air filter replacement
(or every 12 months, whichever occurs first). Morefrequent replacement may be required if vehicleis driven regularly under dusty conditions.
First Engine Oil Change After Every
80 000 km/50,000 Miles
•Engine air cleaner filter replacement. SeeEngine
Air Cleaner/Filter on page 6-17.
•Automatic transmission fluid and filter change
(severe service) for vehicles mainly driven in heavycity traffic in hot weather, in hilly or mountainousterrain, when frequently towing a trailer, or used fortaxi, police, or delivery service. SeeAutomaticTransmission Fluid on page 6-19.
7-5

First Engine Oil Change After Every
120 000 km/75,000 Miles
•Professional Vehicle Only: Engine cooling system
drain, flush, and refill, cooling system and cappressure check, and cleaning of outside of radiatorand air conditioning condenser (or every 5 years,whichever occurs first). SeeEngine Coolanton page 6-23.An Emission Control Service.
First Engine Oil Change After Every
160 000 km/100,000 Miles
•Automatic transmission fluid and filter change
(normal service). SeeAutomatic Transmission Fluidon page 6-19.
•Spark plug replacement.An Emission Control
Service.
First Engine Oil Change After Every
240 000 km/150,000 Miles
•Except Professional Vehicle: Engine cooling system
drain, flush, and refill, cooling system and cappressure check, and cleaning of outside of radiatorand air conditioning condenser (or every 5 years,whichever occurs first). SeeEngine Coolanton page 6-23.An Emission Control Service.
•Engine accessory drive belt inspection for fraying,
excessive cracks, or obvious damage andreplacement, if needed.An Emission ControlService.
Owner Checks and Services
Starter Switch Check
{WARNING:
When you are doing this inspection, the vehicle
could move suddenly. If the vehicle moves, you or
others could be injured.
1. Before starting this check, be sure there is enoughroom around the vehicle.
2. Firmly apply both the parking brake and the regularbrake. SeeParking Brake on page 3-30.
Do not use the accelerator pedal, and be ready toturn off the engine immediately if it starts.
3. Try to start the engine in each gear. The vehicleshould start only in P (Park) or N (Neutral). If thevehicle starts in any other position, contactyour dealer/retailer for service.
7-6

Compressor Kit, Tire Sealant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-71Content Theft-Deterrent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19Control of a Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3Convenience Net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-56CoolantEngine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-23Engine Temperature Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-56Engine Temperature Warning Light . . . . . . . . . . . . . . . . . 4-55Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-22Cornering Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30Courtesy Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . 8-11Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-60Cruise Control, Active . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15Cruise Control, Forward Collision Alert (FCA)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-55Customer Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6Offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6Text Telephone (TTY) Users . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6Customer InformationService Publications Ordering Information . . . . . . . . 8-17Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . . . . 8-2
D
Damage Repair, Collision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13Data Recorders, Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . . . . . . . . 4-29Defensive Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2Disc, MP3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-102Doing Your Own Service Work . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4DoorCentral Door Unlocking System . . . . . . . . . . . . . . . . . . . . . 3-10Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9Power Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10Programmable Automatic Door Locks . . . . . . . . . . . . . 3-10Rear Door Security Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . . . . . . . . 4-61DIC Operation and Displays . . . . . . . . . . . . . . . . . . . . . . . . . . 4-62DIC Vehicle Customization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-80DIC Warnings and Messages . . . . . . . . . . . . . . . . . . . . . . . . 4-67DrivingAt Night . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11Before a Long Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2Drunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2Highway Hypnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
4

Driving (cont.)Hill and Mountain Roads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14In Rain and on Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9Rocking Your Vehicle to Get it Out . . . . . . . . . . . . . . . . . 5-17Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . . . . . 1-22Dual Climate Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36
E
EDR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . . . . . . . 6-100Electrical SystemFuses and Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . 6-101Headlamp Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-100Power Windows and Other Power Options . . . . 6-101Rear Underseat Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . 6-104Underhood Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-101Windshield Wiper Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-100Electronic ImmobilizerPASS-Key®III+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
Electronic Immobilizer OperationPASS-Key®III+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21EngineAir Cleaner/Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17Check and Service Engine Soon Lamp . . . . . . . . . . . 4-57Compartment Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-23Coolant Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26Coolant Temperature Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-56Coolant Temperature Warning Light . . . . . . . . . . . . . . . . 4-55Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-22Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13Overheated Protection Operating Mode . . . . . . . . . . . 6-29Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-27Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24Engine OilLife System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31Event Data Recorders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19Extender, Safety Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33Exterior Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30
5