2007 CADILLAC DTS coolant

(j)Drain, ush, and rell cooling system. This
service can be complex; you should have
your dealer/retailer perform this service. See
Engine Coolant on page 374 for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap, and ller neck. Pressure test the cooling
system and pressure cap.
(k)A uid loss in any vehicle system could
indicate a problem. Have the system inspected
and repaired and the uid level checked. Add uid
if needed.
(l)Visually inspect belt for fraying, excessive
cracks, or obvious damage. Replace belt if
necessary.
(m)If you drive regularly under dusty conditions,
inspect the lter at each engine oil change.Owner Checks and Services
These owner checks and services should be
performed at the intervals specied to help ensure
the safety, dependability, and emission control
performance of your vehicle. Your GM
Goodwrench
®dealer can assist you with these
checks and services.
Be sure any necessary repairs are completed at
once. Whenever any uids or lubricants are added
to your vehicle, make sure they are the proper
ones, as shown inRecommended Fluids and
Lubricants on page 475.
471

At Each Fuel Fill
It is important to perform these underhood checks
at each fuel ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 365for
further details.
Notice:It is important to check the engine oil
regularly and keep it at the proper level.
Failure to keep the engine oil at the proper
level can cause damage to the engine not
covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary. See
Engine Coolant on page 374for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in
the windshield washer uid reservoir and add the
proper uid if necessary.
At Least Once a Month
Tire Ination Check
Inspect your vehicle’s tires and make sure they
are inated to the correct pressures. Do not forget
to check the spare tire. SeeInation - Tire
Pressure on page 411. Check to make sure the
spare tire is stored securely. SeeChanging a Flat
Tire on page 428.
Tire Wear Inspection
Tire rotation may be required for high mileage
highway drivers prior to the Engine Oil Life System
service notication. Check the tires for wear
and, if necessary, rotate the tires. SeeTire
Inspection and Rotation on page 418.
472

Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name,
part number, or specication can be obtained from
your dealer/retailer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certied for Gasoline Engines
starburst symbol. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil on page 365.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 374.
Hydraulic Brake
SystemDelco
®Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
WasherGM Optikleen
®Washer Solvent.
Parking Brake
Cable GuidesChassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Usage Fluid/Lubricant
Power Steering
SystemGM Power Steering Fluid
(GM Part No. U.S. 89021184, in
Canada 89021186).
Automatic
TransmissionDEXRON
®-VI Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Hood Latch
Assembly,
Secondary
Latch,
Pivots, Spring
Anchor, and
Release PawlLubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293, in
Canada 992723) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Hood and Door
HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Weatherstrip
ConditioningWeatherstrip Lubricant
(GM Part No. U.S. 3634770, in
Canada 10953518) or Dielectric
Silicone Grease
(GM Part No. U.S. 12345579,
in Canada 992887).
475

Compass............................ 18,132, 134, 136
Content Theft-Deterrent............................... 113
Control of a Vehicle..................................... 306
Convenience Net......................................... 157
Coolant
Engine Temperature Gage........................ 233
Engine Temperature Warning Light........... 233
Heater, Engine......................................... 121
Surge Tank Pressure Cap........................ 377
Cooled Seats................................................ 11
Cooling System........................................... 380
Cornering Lamps......................................... 199
Courtesy Lamps.......................................... 199
Cruise Control............................................. 176
Cruise Control, Forward Collision
Alert (FAC) System.................................. 168
Cruise Control Light.................................... 238
Cupholder(s)................................................ 155
Customer Assistance Information
Courtesy Transportation........................... 491
Customer Assistance for Text
Telephone (TTY) Users......................... 486
Customer Assistance Offices.................... 486
Customer Satisfaction Procedure.............. 482
GM Mobility Reimbursement Program...... 487
Reporting Safety Defects to
General Motors..................................... 498Customer Assistance Information (cont.)
Reporting Safety Defects to the
Canadian Government.......................... 497
Reporting Safety Defects to the
United States Government.................... 497
Roadside Service..................................... 488
Service Publications Ordering
Information........................................... 498
D
Daytime Running Lamps............................. 197
Defensive Driving........................................ 302
Disc, MP3................................................... 287
Doing Your Own Service Work.................... 354
Door
Central Door Unlocking System................ 103
Locks....................................................... 102
Power Door Locks................................... 103
Programmable Automatic Door Locks....... 104
Rear Door Security Locks........................ 104
Driver
Position, Safety Belt................................... 25
Driver Information Center (DIC)................... 240
DIC Controls and Displays....................... 240
DIC Vehicle Customization....................... 259
DIC Warnings and Messages................... 246
506

Driving
At Night................................................... 318
City.......................................................... 322
Defensive................................................. 302
Drunken................................................... 303
Freeway................................................... 323
Hill and Mountain Roads.......................... 326
In Rain and on Wet Roads...................... 320
Rocking Your Vehicle to Get it Out.......... 333
Winter...................................................... 328
Dual Climate Control System....................... 210
E
EDR ............................................................ 500
Electrical System
Add-On Equipment................................... 451
Fuses and Circuit Breakers...................... 452
Headlamp Wiring..................................... 451
Power Windows and Other
Power Options...................................... 452
Rear Underseat Fuse Block..................... 455
Underhood Fuse Block............................. 452
Windshield Wiper Fuses........................... 451Engine
Air Cleaner/Filter...................................... 370
Check and Service Engine
Soon Light............................................ 234
Coolant.................................................... 374
Coolant Heater......................................... 121
Coolant Temperature Gage...................... 233
Coolant Temperature Warning Light.......... 233
Drive Belt Routing.................................... 477
Engine Compartment Overview................ 364
Exhaust................................................... 130
Oil ........................................................... 365
Oil Life System........................................ 368
Overheated Protection
Operating Mode.................................... 379
Overheating............................................. 377
Running While Parked............................. 131
Starting.................................................... 119
Entry Lighting.............................................. 200
Event Data Recorders................................. 500
Extender, Safety Belt..................................... 42
Exterior Lamps............................................ 193
Exterior Lighting Battery Saver.................... 199
507

F
Filter
Engine Air Cleaner................................... 370
Finish Damage............................................ 447
Flashers, Hazard Warning........................... 164
Flash-to-Pass.............................................. 172
Flat Tire...................................................... 427
Flat Tire, Changing...................................... 428
Flat Tire, Storing......................................... 437
Floor Mats................................................... 156
Fluid
Power Steering........................................ 385
Windshield Washer.................................. 386
Fog Lamp
Fog .......................................................... 198
Fog Lamp Light........................................... 238
Forward Collision Alert (FAC) System.......... 168
Fuel............................................................ 355
Additives.................................................. 357
California Fuel.......................................... 356
Filling a Portable Fuel Container.............. 361
Filling Your Tank...................................... 358
Fuels in Foreign Countries....................... 358Fuel (cont.)
Gage....................................................... 239
Gasoline Octane...................................... 356
Gasoline Specications............................ 356
Fuses
Fuses and Circuit Breakers...................... 452
Rear Underseat Fuse Block..................... 455
Underhood Fuse Block............................. 452
Windshield Wiper..................................... 451
G
Gage
Engine Coolant Temperature.................... 233
Fuel......................................................... 239
Speedometer........................................... 224
Tachometer.............................................. 224
Garage Door Opener................................... 144
Gasoline
Octane..................................................... 356
Specications........................................... 356
Glove Box................................................... 155
GM Mobility Reimbursement Program.......... 487
508

L
Labeling, Tire Sidewall................................. 403
Lamps
Cornering................................................. 199
Courtesy.................................................. 199
Exterior Lighting Battery Saver................. 199
Inadvertent Power Battery Saver.............. 202
Reading................................................... 200
LATCH System
Child Restraints......................................... 55
Light
Airbag Readiness..................................... 226
Anti-Lock Brake System Warning............. 230
Brake System Warning............................. 229
Charging System..................................... 229
Cruise Control.......................................... 238
Engine Coolant Temperature Warning....... 233
Fog Lamp................................................ 238
Highbeam On.......................................... 238
Lights On Reminder................................. 238
Low Tire Pressure Warning Light............. 231
Malfunction Indicator................................ 234
Oil Pressure............................................. 237
Passenger Airbag Status Indicator............ 227Light (cont.)
Passenger Safety Belt Reminder.............. 225
Safety Belt Reminder............................... 225
Security................................................... 237
StabiliTrak
®Indicator................................ 232
TCS Warning Light.................................. 232
Traction Control System (TCS) Warning..... 232
Lighting
Entry........................................................ 200
Parade Dimming...................................... 200
Lights
Exterior Lamps......................................... 193
Flash-to-Pass........................................... 172
High/Low Beam Changer ......................... 167
On Reminder........................................... 197
Loading Your Vehicle................................... 333
Lockout Protection....................................... 105
Locks
Central Door Unlocking System................ 103
Door........................................................ 102
Lockout Protection................................... 105
Power Door............................................. 103
Programmable Automatic Door Locks....... 104
Rear Door Security Locks........................ 104
Loss of Control........................................... 317
510