2009 CADILLAC STS check engine light

Notice:Ignoring these steps could result in costly
damage to your vehicle that would not be covered
by your warranty.
Trying to start your vehicle by pushing or pulling it
will not work, and it could damage your vehicle.
1. Check the other vehicle. It must have a 12-volt
battery with a negative ground system.
Notice:If the other vehicle’s system is not a 12-volt
system with a negative ground, both vehicles can
be damaged. Only use vehicles with 12-volt systems
with negative grounds to jump start your vehicle.
2. Get the vehicles close enough so the jumper cables
can reach, but be sure the vehicles are not touching
each other. If they are, it could cause a ground
connection you do not want. You would not be able
to start your vehicle and the bad grounding could
damage the electrical systems.
To avoid the possibility of the vehicles rolling, set
the parking brake rmly on both vehicles involved
in the jump start procedure. Put an automatic
transmission in P (Park) or a manual transmission
in NEUTRAL before setting the parking brake.Notice:If you leave the radio or other accessories
on during the jump starting procedure, they could
be damaged. The repairs would not be covered by
the warranty. Always turn off the radio and other
accessories when jump starting the vehicle.
3. Turn off the ignition on both vehicles. Unplug
unnecessary accessories plugged into the cigarette
lighter or the accessory power outlets. Turn off
the radio and all lamps that are not needed.
This will avoid sparks and help save both batteries.
And it could save the radio!
4. Open the hoods and locate the positive (+)
and negative (−) terminal locations or the remote
positive (+) and remote negative (−) terminals of the
other vehicle. Then locate the remote positive (+)
location on your vehicle. SeeEngine Compartment
Overview on page 5-12for more information on
locations the terminals.
5-43

{CAUTION:
Using a match near a battery can cause battery
gas to explode. People have been hurt doing this,
and some have been blinded. Use a ashlight if
you need more light.
Be sure the battery has enough water. You do not
need to add water to the battery installed in your
new vehicle. But if a battery has ller caps, be
sure the right amount of uid is there. If it is low,
add water to take care of that rst. If you do not,
explosive gas could be present.
Battery uid contains acid that can burn you.
Do not get it on you. If you accidentally get it in
your eyes or on your skin, ush the place with
water and get medical help immediately.
{CAUTION:
Fans or other moving engine parts can injure you
badly. Keep your hands away from moving parts
once the engine is running.
5. Check that the jumper cables do not have loose
or missing insulation. If they do, you could get a
shock. The vehicles could be damaged too.
Before you connect the cables, here are some
basic things you should know. Positive (+) will go
to positive (+) or to a remote positive (+) terminal
if the vehicle has one. Negative (−) will go to a
heavy, unpainted metal engine part or to a remote
negative (−) terminal if the vehicle has one.
Do not connect positive (+) to negative (−)oryou
will get a short that would damage the battery
and maybe other parts too. And do not connect the
negative (−) cable to the negative (−) terminal on
the dead battery because this can cause sparks.
5-45

Audio System (cont.)
Radio Reception........................................3-133
Setting the Clock.........................................3-98
Theft-Deterrent Feature...............................3-130
XM™ Satellite Radio Antenna System...........3-134
Audio System(s).............................................3-98
Automatic Transmission
Fluid..........................................................5-25
Operation...................................................2-30
B
Backglass Antenna........................................3-134
Battery..........................................................5-42
Electric Power Management..........................3-42
Exterior Lighting Battery Saver......................3-40
Inadvertent Power Saver..............................3-42
Load Management.......................................3-41
Bluetooth
®....................................................3-116
Brake
Emergencies................................................ 4-5
Brake Fluid....................................................5-39
Brakes..........................................................5-39
System Warning Light..................................3-62
Braking........................................................... 4-3
Braking in Emergencies..................................... 4-5
Break-In, New Vehicle.....................................2-25Bulb Replacement...........................................5-51
Back-Up Lamps...........................................5-52
Halogen Bulbs............................................5-51
Headlamp Aiming........................................5-50
High Intensity Discharge (HID) Lighting...........5-51
Replacement Bulbs......................................5-52
Buying New Tires...........................................5-74
C
Calibration...............................................1-6, 2-38
California Fuel.................................................. 5-6
California Perchlorate Materials
Requirements............................................... 5-4
California Proposition 65 Warning....................... 5-4
Canadian Owners............................................... iii
Capacities and Specications..........................5-124
Carbon Monoxide...........................2-15, 2-36, 4-21
Care of
Safety Belts..............................................5-108
CD, MP3 .....................................................3-111
Center Console Storage Area...........................2-60
Chains, Tire...................................................5-81
Charging System Light....................................3-61
Check
Engine Lamp..............................................3-66
Checking Things Under the Hood......................5-10
2

Electrical System (cont.)
Windshield Wiper Fuses.............................5-113
Engine
Air Cleaner/Filter.........................................5-23
Check and Service Engine Soon Lamp...........3-66
Coolant......................................................5-27
Coolant Heater............................................2-29
Coolant Temperature Gage...........................3-65
Coolant Temperature Warning Light................3-64
Drive Belt Routing.......................................6-16
Engine Compartment Overview......................5-12
Exhaust.....................................................2-36
Oil .............................................................5-18
Oil Life System...........................................5-21
Overheated Protection Operating Mode...........5-36
Overheating................................................5-34
Starting......................................................2-27
Enhanced StabiliTrak
®....................................... 4-6
Entry Lighting.................................................3-41
Event Data Recorders.....................................7-17
Extender, Safety Belt.......................................1-27
Exterior Lighting Battery Saver..........................3-40
F
Filter
Engine Air Cleaner......................................5-23
Finish Damage.............................................5-111
Flashers, Hazard Warning.................................. 3-6Flash-to-Pass.................................................3-13
Flat Tire........................................................5-84
Flat Tire, Changing.........................................5-94
Flat Tire, Storing...........................................5-102
Fluid
Automatic Transmission................................5-25
Power Steering...........................................5-37
Windshield Washer......................................5-38
Fog Lamp
Fog ...........................................................3-38
Fog Lamp Light..............................................3-70
Forward Collision Alert (FAC) System.................. 3-9
Front Axle......................................................5-49
Fuel............................................................... 5-5
Additives...................................................... 5-7
California Fuel.............................................. 5-6
Filling a Portable Fuel Container....................5-10
Filling the Tank............................................. 5-8
Fuels in Foreign Countries.............................. 5-7
Gage .........................................................3-71
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-6
Fuses
Fuses and Circuit Breakers.........................5-113
Rear Underseat Fuse Block.........................5-118
Underhood Fuse Block...............................5-114
Windshield Wiper.......................................5-113
5

G
Gage
Engine Coolant Temperature.........................3-65
Fuel..........................................................3-71
Speedometer..............................................3-57
Tachometer.................................................3-57
Garage Door Opener.......................................2-53
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-6
Glove Box.....................................................2-60
GM Mobility Reimbursement Program.................. 7-7
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5
Headlamp
Aiming .......................................................5-50
Headlamp Wiring...........................................5-113
Headlamps....................................................3-32
Bulb Replacement.......................................5-51
Daytime Running Lamp................................3-36
Flash-to-Pass..............................................3-13
Halogen Bulbs............................................5-51
High Intensity Discharge (HID) Lighting...........5-51
High/Low Beam Changer................................ 3-9Headlamps (cont.)
On Reminder..............................................3-36
Washer......................................................3-16
Wiper Activated...........................................3-36
Head-Up Display (HUD)...................................3-43
Heated Seats................................................... 1-3
Heated Steering Wheel..................................... 3-7
Heater...........................................................3-48
Engine Coolant...........................................2-29
Highbeam On Light.........................................3-70
High-Speed Operation, Tires.............................5-65
Highway Hypnosis...........................................4-19
Hill and Mountain Roads..................................4-20
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn ............................................................... 3-6
How to Wear Safety Belts Properly...................1-12
I
Ignition Positions.............................................2-26
Immobilizer....................................................2-24
Immobilizer Operation......................................2-24
Inadvertent Power Battery Saver.......................3-42
Infants and Young Children, Restraints...............1-31
Ination - Tire Pressure...................................5-64
Inator Kit, Tire...............................................5-87
6

O
Odometer......................................................3-57
Off-Road Recovery..........................................4-15
Oil
Engine.......................................................5-18
Pressure Light.............................................3-69
Oil, Engine Oil Life System..............................5-21
Older Children, Restraints................................1-28
Online Owner Center........................................ 7-5
OnStar, Privacy..............................................7-18
OnStar
®System, see OnStar®Manual...............2-50
Operation, Universal Home Remote
System......................................................2-54
Outlet Adjustment............................................3-52
Outlets
Accessory Power.........................................3-46
Outside
Automatic Dimming Mirror.............................2-40
Convex Mirror.............................................2-41
Heated Mirrors............................................2-41
Power Mirrors.............................................2-40
Overheated Engine Protection
Operating Mode..........................................5-36
Owner Checks and Services.............................6-10
Owners, Canadian.............................................. iii
P
Paint, Damage..............................................5-111
Parade Dimming.............................................3-41
Park
Shifting Into................................................2-34
Shifting Out of............................................2-35
Park Aid........................................................2-42
Park Brake....................................................2-33
Park Tilt Mirrors..............................................2-41
Parking
Assist........................................................2-42
Over Things That Burn.................................2-35
Passenger Airbag Status Indicator.....................3-59
Passenger Compartment Air Filter.....................3-54
Passenger Sensing System..............................1-59
Passing.........................................................4-15
Perchlorate Materials Requirements,
California..................................................... 5-4
Phone
Bluetooth
®................................................3-116
Power
Door Locks.................................................2-13
Electrical System.......................................5-113
Inadvertent Battery Saver.............................3-42
Lumbar Controls........................................... 1-2
9