check engine CADILLAC CTS 2007 1.G Workshop Manual

(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.
Uses such as high performance operation.
If you do not use your vehicle under any of these
conditions, the uid and lter do not require
changing.
(i)Drain, ush, and rell cooling system.
This service can be complex; you should have
your dealer perform this service. See Engine
Coolant on page 356 for what to use. Inspect
hoses. Clean radiator, condenser, pressure cap,
and ller neck. Pressure test the cooling
system and pressure cap.
(j)If using DOT-4 brake uid only: Drain, ush,
and rell brake hydraulic system at a regular
maintenance service (IorII) every two years.
This service can be complex; you should have
your dealer perform this service. See Brakes
on page 371.(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)Change uid if the vehicle is used for high
performance operation.
(m)Change uid whenever the vehicle has been
driven for 3,000 miles (5 000 km) with the
transmission temperature at 290°F (143°C) or
higher without using an auxiliary uid cooler.
See Message Center (CTS-V) on page 215 and
Transmission Fluid Hot Message on page 219.
(n)If you drive regularly under dusty conditions,
inspect the lter at each engine oil change.
(p)Visually inspect belt for fraying, excessive
cracks, or obvious damage. Replace belt if
necessary.
468

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 473.
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 346for
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.
SeeEngine Coolant on page 356for 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.
469

At Least Once a Month
Tire Ination Check
Visually 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 402. Check to make sure the
spare tire is stored securely. SeeChanging a Flat
Tire (CTS Only) on page 424.
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 409.
At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection,
the vehicle could move suddenly. If the
vehicle moves, you or others could be
injured.
1. Before you start, be sure you have enough
room around the vehicle.
2. Firmly apply both the parking brake and the
regular brake. SeeParking Brake on page 128.
Do not use the accelerator pedal, and be
ready to turn off the engine immediately
if it starts.
3. On automatic transmission vehicles, try to
start the engine in each gear. The vehicle
should start only in PARK (P) or
NEUTRAL (N). If the vehicle starts in any
other position, contact your GM Goodwrench
®
dealer for service.
470

On manual transmission vehicles, put the shift
lever in NEUTRAL, push the clutch pedal
down halfway, and try to start the engine.
The vehicle should start only when the clutch
pedal is pushed down all the way to the
oor. If the vehicle starts when the clutch
pedal is not pushed all the way down,
contact your GM Goodwrench
®dealer for
service.
Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this inspection,
the vehicle could move suddenly. If the
vehicle moves, you or others could be
injured.
1. Before you start, be sure you have enough
room around the vehicle. It should be parked
on a level surface.2. Firmly apply the parking brake. SeeParking
Brake on page 128.
Be ready to apply the regular brake
immediately if the vehicle begins to move.
3. With the engine off, turn the ignition to ON,
but do not start the engine. Without applying
the regular brake, try to move the shift lever
out of PARK (P) with normal effort. If the shift
lever moves out of PARK (P), contact your
GM Goodwrench
®dealer for service.
Ignition Transmission Lock Check
While parked, and with the parking brake set,
try to turn the ignition to OFF in each shift lever
position.
With an automatic transmission, the ignition
should turn to OFF only when the shift lever
is in PARK (P). The ignition key should
come out only in OFF.
With a manual transmission, the ignition
should turn to OFF only when the key release
button is pressed. The ignition key should
come out only in OFF.
Contact your GM Goodwrench
®dealer if service
is required.
471

Parking Brake and Automatic
Transmission Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your
vehicle could begin to move. You or
others could be injured and property
could be damaged. Make sure there is
room in front of your vehicle in case it
begins to roll. Be ready to apply the
regular brake at once should the vehicle
begin to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular
brake, set the parking brake.
To check the parking brake’s holding ability:
With the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure
from the regular brake pedal. Do this until the
vehicle is held by the parking brake only.
To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to
PARK (P). Then release the parking brake
followed by the regular brake.
Contact your GM Goodwrench
®dealer if service is
required.
Underbody Flushing Service
At least every spring, use plain water to ush
any corrosive materials from the underbody.
Take care to clean thoroughly any areas where
mud and other debris can collect.
472

Care of
Safety Belts............................................. 439
Your CD Player........................................ 283
Your CDs ................................................. 283
Center Console Storage Area...................... 160
Chains, Tire................................................. 418
Charging System Light................................ 204
Check
Engine Light............................................ 209
Engine Oil Pressure Message.................. 220
Checking Things Under the Hood................ 340
Chemical Paint Spotting.............................. 443
Child Restraints
Child Restraint Systems............................. 49
Infants and Young Children........................ 45
Lower Anchors and Tethers for Children..... 55
Older Children........................................... 42
Securing a Child Restraint in a Rear
Seat Position.......................................... 63
Securing a Child Restraint in the
Right Front Seat Position........................ 66
Where to Put the Restraint........................ 54
Cigarette Lighter.......................................... 188
Cleaning
Aluminum or Chrome-Plated Wheels........ 441
Exterior Lamps/Lenses............................. 440
Fabric/Carpet........................................... 437Cleaning (cont.)
Finish Care.............................................. 440
Inside of Your Vehicle.............................. 435
Instrument Panel, Vinyl, and Other
Plastic Surfaces.................................... 438
Leather.................................................... 438
Speaker Covers....................................... 439
Tires........................................................ 442
Underbody Maintenance........................... 443
Washing Your Vehicle.............................. 439
Weatherstrips........................................... 439
Windshield and Wiper Blades................... 441
Wood Panels........................................... 439
Climate Control System
Air Filter, Passenger Compartment ........... 195
Dual......................................................... 189
Outlet Adjustment..................................... 194
Steering Wheel Controls.......................... 196
Clock.......................................................... 259
Clutch, Hydraulic......................................... 356
Collision Damage Repair............................. 496
Comfort Guides, Rear Safety Belt................. 38
Compact Spare Tire.................................... 434
Compass..................................................... 137
Competitive Driving..................................... 304
Competitive Driving Mode............................ 296
Control of a Vehicle..................................... 290
505

Driver Information Center (DIC) (cont.)
DIC Warnings and Messages................... 232
Status of Vehicle Systems........................ 223
System Controls....................................... 223
Driving
At Night................................................... 305
City.......................................................... 310
Defensive................................................. 286
Drunken................................................... 287
Freeway................................................... 311
Hill and Mountain Roads.......................... 314
In Rain and on Wet Roads...................... 306
Rocking Your Vehicle to Get it Out.......... 321
Winter...................................................... 316
Dual Climate Control System....................... 189
E
Electrical System
Add-On Equipment................................... 446
Fuses and Circuit Breakers...................... 447
Power Windows and Other
Power Options...................................... 446
Rear Underseat Fuse Block..................... 451Electrical System (cont.)
Underhood Fuse Block............................. 447
Windshield Wiper Fuses........................... 446
Engine
Air Cleaner/Filter...................................... 351
Check and Service Engine Soon Light..... 209
Check Oil Pressure Message................... 220
Coolant.................................................... 356
Coolant Heater......................................... 120
Coolant Temperature Gage...................... 208
Coolant Temperature Warning Light.......... 207
Drive Belt Routing.................................... 476
Engine Compartment Overview................ 342
Exhaust................................................... 134
Oil ........................................................... 346
Oil Life System........................................ 349
Oil Temperature Warning Message ........... 220
Overheated Protection
Operating Mode.................................... 362
Overheating............................................. 360
Speed Limiter.......................................... 201
Starting.................................................... 119
Entry Lighting.............................................. 184
Event Data Recorders (EDR)...................... 494
Extender, Safety Belt..................................... 41
Exterior Lighting Battery Saver.................... 183
507

Loss of Control........................................... 303
Lumbar
Power Controls.......................................... 10
M
Maintenance Schedule
Additional Required Services.................... 465
At Each Fuel Fill...................................... 469
At Least Once a Month............................ 470
At Least Once a Year.............................. 470
Introduction.............................................. 460
Maintenance Footnotes............................ 467
Maintenance Record................................ 477
Maintenance Requirements...................... 460
Normal Maintenance Replacement
Parts.................................................... 475
Owner Checks and Services.................... 469
Recommended Fluids and Lubricants....... 473
Scheduled Maintenance........................... 462
Using....................................................... 461
Your Vehicle and the Environment............ 460
Malfunction Indicator Light........................... 209
Manual Seats.................................................. 8Manual Transmission
Fluid........................................................ 354
Operation................................................. 126
Map Pocket................................................. 160
Memory Seat and Mirrors.............................. 11
Message
Center..................................................... 215
Check Engine Oil Pressure...................... 220
DIC Warnings and Messages................... 232
Hot Coolant Temperature Warning............ 219
Oil Temperature Warning.......................... 220
One-to-Four Shift..................................... 222
Tire Pressure Warning............................. 221
Transmission Fluid Hot............................. 219
Mirrors
Automatic Dimming Rearview with
OnStar
®................................................ 136
Automatic Dimming Rearview with
OnStar
®and Compass......................... 137
Outside Convex Mirror............................. 141
Outside Curb View Assist Mirror............... 141
Outside Heated Mirrors............................ 141
Outside Power Mirrors............................. 140
MyGMLink.com............................................ 485
511

N
Navigation/Radio System, see Navigation
Manual..................................................... 279
New Vehicle Break-In.................................. 116
Normal Maintenance Replacement Parts..... 475
O
Odometer.................................................... 200
Odometers, Trip.......................................... 200
Off-Road Recovery...................................... 301
Oil
Engine..................................................... 346
Pressure Light.......................................... 212
Oil, Engine Oil Life System......................... 349
Oil Temperature Warning Message.............. 220
Older Children, Restraints............................. 42
One-to-Four Shift Message.......................... 222
Online Owner Center................................... 485
OnStar
®System, see OnStar®Manual........ 142
Operation, Universal Home
Remote System..............................148, 152
Other Warning Devices................................ 168
Outlet Adjustment........................................ 194Outlets
Accessory Power..................................... 186
Outside
Convex Mirror.......................................... 141
Curb View Assist Mirror........................... 141
Heated Mirrors......................................... 141
Power Mirrors.......................................... 140
Overheated Engine Protection
Operating Mode....................................... 362
Owner Checks and Services....................... 469
Owners, Canadian.......................................... 3
P
Paint, Damage............................................ 442
Panic Brake Assist...................................... 298
Parade Dimming.......................................... 185
Park (P)
Shifting Into............................................. 130
Shifting Out of......................................... 132
Parking
Brake....................................................... 128
Over Things That Burn............................ 133
Parking Your Vehicle................................... 132
Passenger Airbag Status Indicator............... 202
512

Reporting Safety Defects (cont.)
General Motors........................................ 501
United States Government....................... 500
Restraint System Check
Checking the Restraint Systems................. 90
Replacing Restraint System Parts
After a Crash......................................... 91
Retained Accessory Power (RAP)................ 119
Right Front Passenger Position,
Safety Belts............................................... 34
Roadside
Service.................................................... 488
Rocking Your Vehicle to Get it Out.............. 321
Roof Rack Provisions.................................. 160
Routing, Engine Drive Belt.......................... 476
Run-Flat Tires............................................. 400
Running the Engine While Parked............... 135
S
Safety Belt
Pretensioners............................................. 41
Reminder Light........................................ 201
Safety Belts
Care of.................................................... 439
Driver Position........................................... 26Safety Belts (cont.)
How to Wear Safety Belts Properly............ 25
Questions and Answers About
Safety Belts............................................ 24
Rear Safety Belt Comfort Guides............... 38
Rear Seat Passengers............................... 34
Right Front Passenger Position.................. 34
Safety Belt Extender.................................. 41
Safety Belt Use During Pregnancy............. 33
Safety Belts Are for Everyone.................... 20
Safety Warnings and Symbols......................... 4
Scheduled Maintenance............................... 462
Seats
Head Restraints......................................... 17
Heated Seats............................................. 10
Manual........................................................ 8
Memory, Mirrors......................................... 11
Power Lumbar........................................... 10
Power Seats................................................ 9
Reclining Seatbacks................................... 14
Split Folding Rear Seat.............................. 18
Securing a Child Restraint
Rear Seat Position..................................... 63
Right Front Seat Position........................... 66
Security Light.............................................. 213
Service........................................................ 332
Accessories and Modications.................. 332
514