2007 GMC ACADIA power steering

Instrument Panel Overview........................ 170
Hazard Warning Flashers.......................... 172
Other Warning Devices............................. 173
Horn.......................................................... 173
Tilt and Telescopic Steering Wheel............ 173
Power Tilt Wheel and Telescopic
Steering Column.................................... 174
Turn Signal/Multifunction Lever.................. 174
Turn and Lane-Change Signals................. 175
Headlamp High/Low-Beam Changer.......... 176
Flash-to-Pass............................................ 176
Windshield Wipers..................................... 176
Windshield Washer.................................... 177
Rear Window Wiper/Washer...................... 179
Cruise Control........................................... 180
Exterior Lamps.......................................... 183
Delayed Headlamps.................................. 184
Daytime Running Lamps (DRL)/
Automatic Headlamp System.................. 185
Fog Lamps................................................ 186
Instrument Panel Brightness...................... 186
Courtesy Lamps........................................ 186Entry Lighting............................................ 187
Delayed Entry Lighting.............................. 187
Delayed Exit Lighting................................. 188
Parade Dimming........................................ 188
Reading Lamps......................................... 188
Electric Power Management...................... 188
Battery Run-Down Protection..................... 189
Head-Up Display (HUD)............................ 190
Ultrasonic Rear Parking Assist (URPA)...... 194
Accessory Power Outlet(s)........................ 197
Power Outlet 115 Volt Alternating
Current.................................................. 198
Climate Controls......................................... 199
Climate Control System............................. 199
Dual Automatic Climate Control System.... 203
Outlet Adjustment...................................... 210
Rear Air Conditioning and Heating
System.................................................. 211
Rear Air Conditioning and Heating
System and Electronic Climate
Controls................................................. 212
Section 3 Instrument Panel
167

The main components of your instrument panel are listed here:
A. Air Vent. SeeOutlet Adjustment on page 210.
B. Multifunction Lever. SeeTurn
Signal/Multifunction Lever on page 174.
Windshield Wipers. SeeTurn
Signal/Multifunction Lever on page 174.
C. Instrument Panel Cluster. SeeInstrument
Panel Cluster on page 215.
D. Head-Up Display (HUD) Buttons. See
Head-Up Display (HUD) on page 190.
E. Audio System. SeeAudio System(s)
on page 264. Navigation/Radio System
(If Equipped). SeeNavigation/Radio System
on page 311.
F. Exterior Lamps Control. SeeExterior Lamps
on page 183.
G. Hood Release. SeeHood Release on
page 395.
H. Instrument Panel Brightness. SeeInstrument
Panel Brightness on page 186.I. Cruise Control Buttons. SeeCruise Control
on page 180.
J. Tilt and Telescopic Steering Wheel. SeeTilt
and Telescopic Steering Wheel on page 173.
Power Tilt Wheel and Telescopic Steering
(If Equipped). SeePower Tilt Wheel and
Telescopic Steering Column on page 174.
K. Horn. SeeHorn on page 173.
L. Audio Steering Wheel Control Buttons. See
Audio Steering Wheel Controls on page 325.
M. Driver Information Center. SeeDriver
Information Center (DIC) on page 232.
N. Dual Automatic Climate Controls. See
Dual Automatic Climate Control System
on page 203.
O. Center Console Shift Lever (If Equipped).
See “Console Shift Lever” underShifting
Into Park (P) on page 135.
171

Power Tilt Wheel and Telescopic
Steering Column
If your vehicle has this
feature, the power tilt
wheel control is located
on the left side of the
steering column.
To operate the power tilt feature, push the control
up and the steering wheel will tilt up. Push the
control down and the steering wheel will go down.
Push the control forward and the steering wheel
moves toward the front of the vehicle. Push
the control rearward and the steering wheel moves
toward the rear of the vehicle.
Turn Signal/Multifunction Lever
The lever on the left side of the steering column
includes the following:
GTurn and Lane Change Signals. See
Turn and Lane-Change Signals on page 175.
2Headlamp High/Low-Beam Changer.
SeeHeadlamp High/Low-Beam Changer
on page 176.
Flash-to-Pass. SeeFlash-to-Pass
on page 176.
NWindshield Wipers. SeeWindshield
Wipers on page 176.
174

SERVICE BATTERY CHARGING
SYSTEM
On some vehicles, this message displays if there
is a problem with the battery charging system.
Under certain conditions, the charging system light
may also turn on in the instrument panel cluster.
SeeCharging System Light on page 220.
Driving with this problem could drain the battery.
Turn off all unnecessary accessories. Have
the electrical system checked as soon as possible.
See your dealer/retailer.
SERVICE BRAKE SYSTEM
This message displays along with the brake
system warning light if there is a problem with
the brake system. SeeBrake System Warning
Light on page 222. If this message appears, stop
as soon as possible and turn off the vehicle.
Restart the vehicle and check for the message on
the DIC display. If the message is still displayed
or appears again when you begin driving, the
brake system needs service as soon as possible.
See your dealer/retailer.
SERVICE PARK ASSIST
If your vehicle has the Ultrasonic Rear Parking
Assist (URPA) system, this message displays
if there is a problem with the URPA system.
Do not use this system to help you park. See
Ultrasonic Rear Parking Assist (URPA) on
page 194for more information. See your
dealer/retailer for service.
SERVICE POWER STEERING
This message displays when a problem is
detected with the power steering system. When
this message is displayed, you may notice that
the effort required to steer the vehicle increases
or feels heavier, but you will still be able to
steer the vehicle. Have your vehicle serviced
by your dealer/retailer immediately.
251

{CAUTION:
This system provides you with a far greater
access to audio stations and song listings.
Giving extended attention to entertainment
tasks while driving can cause a crash and
you or others can be injured or killed.
Always keep your eyes on the road and
your mind on the drive — avoid engaging
in extended searching while driving.
Keeping your mind on the drive is important for
safe driving. Here are some ways in which you
can help avoid distraction while driving.
While your vehicle is parked:
Familiarize yourself with all of its controls.
Familiarize yourself with its operation.
Set up your audio system by presetting your
favorite radio stations, setting the tone, and
adjusting the speakers. Then, when driving
conditions permit, you can tune to your favorite
radio stations using the presets and steering
wheel controls if the vehicle has them.Notice:Before adding any sound equipment
to your vehicle, such as an audio system,
CD player, CB radio, mobile telephone,
or two-way radio, make sure that it can be
added by checking with your dealer/retailer.
Also, check federal rules covering mobile radio
and telephone units. If sound equipment can
be added, it is very important to do it properly.
Added sound equipment may interfere with
the operation of your vehicle’s engine, radio,
or other systems, and even damage them.
Your vehicle’s systems may interfere with
the operation of sound equipment that
has been added.
Your vehicle has a feature called Retained
Accessory Power (RAP). With RAP, the audio
system can be played even after the ignition
is turned off. SeeRetained Accessory
Power (RAP) on page 125for more information.
265

Control of a Vehicle
The following three systems help to control your
vehicle while driving — brakes, steering, and
accelerator. At times, as when driving on snow or
ice, it is easy to ask more of those control
systems than the tires and road can provide.
Meaning, you can lose control of your vehicle.
SeeStabiliTrak
®System on page 337.
Adding non-dealer/non-retailer accessories can
affect your vehicle’s performance. SeeAccessories
and Modifications on page 385.
Braking
SeeBrake System Warning Light on page 222.
Braking action involves perception time and
reaction time. First, you have to decide to push
on the brake pedal. That is perception time.
Then you have to bring up your foot and do it.
That is reaction time.
Average reaction time is about three-fourths of
a second. But that is only an average. It might
be less with one driver and as long as two or
three seconds or more with another. Age, physical
condition, alertness, coordination, and eyesight all
play a part. So do alcohol, drugs, and frustration.But even in three-fourths of a second, a vehicle
moving at 60 mph (100 km/h) travels 66 feet
(20 m). That could be a lot of distance in an
emergency, so keeping enough space between
your vehicle and others is important.
And, of course, actual stopping distances vary
greatly with the surface of the road, whether it is
pavement or gravel; the condition of the road,
whether it is wet, dry, or icy; tire tread; the condition
of the brakes; the weight of the vehicle; and the
amount of brake force applied.
Avoid needless heavy braking. Some people drive
in spurts — heavy acceleration followed by heavy
braking — rather than keeping pace with traffic.
This is a mistake. The brakes might not have time
to cool between hard stops. The brakes will
wear out much faster if you do a lot of heavy
braking. If you keep pace with the traffic and allow
realistic following distances, you will eliminate a
lot of unnecessary braking. That means better
braking and longer brake life.
If your vehicle’s engine ever stops while you
are driving, brake normally but do not pump
the brakes. If you do, the pedal could get
harder to push down. If the engine stops,
you will still have some power brake assist.
334

Steering
Power Steering
If you lose power steering assist because the
engine stops or the system is not functioning,
you can steer but it will take much more effort.
Steering Tips
It is important to take curves at a reasonable
speed.
A lot of the “driver lost control” accidents
mentioned on the news happen on curves.
Here is why:
Experienced driver or beginner, each of us is
subject to the same laws of physics when driving
on curves. The traction of the tires against the
road surface makes it possible for the vehicle to
change its path when you turn the front wheels.
If there is no traction, inertia will keep the
vehicle going in the same direction. If you have
ever tried to steer a vehicle on wet ice, you
will understand this.The traction you can get in a curve depends on
the condition of the tires and the road surface,
the angle at which the curve is banked, and your
speed. While you are in a curve, speed is the
one factor you can control.
Suppose you are steering through a sharp curve.
Then you suddenly accelerate. Both control
systems — steering and acceleration — have to
do their work where the tires meet the road.
Adding the sudden acceleration can demand
too much of those places. You can lose control.
SeeStabiliTrak
®System on page 337.
What should you do if this ever happens? Ease up
on the accelerator pedal, steer the vehicle the
way you want it to go, and slow down.
Speed limit signs near curves warn that you should
adjust your speed. Of course, the posted speeds
are based on good weather and road conditions.
Under less favorable conditions you will want to go
slower.
If you need to reduce your speed as you approach
a curve, do it before you enter the curve, while
the front wheels are straight ahead.
340

Service........................................................ 385
Accessories and Modications................... 385
California Proposition 65 Warning.............. 386
Doing Your Own Service Work.................. 386
Adding Equipment to the Outside
of Your Vehicle...................................... 387
Fuel............................................................. 387
Gasoline Octane........................................ 388
Gasoline Specications.............................. 388
California Fuel........................................... 388
Additives................................................... 389
Fuels in Foreign Countries........................ 390
Filling the Tank......................................... 390
Filling a Portable Fuel Container............... 393
Checking Things Under the Hood.............. 394
Hood Release........................................... 395
Engine Compartment Overview.................. 396
Engine Oil................................................. 397
Engine Oil Life System.............................. 400
Engine Air Cleaner/Filter............................ 402
Automatic Transmission Fluid.................... 404
Engine Coolant.......................................... 406
Radiator Pressure Cap.............................. 410
Engine Overheating................................... 410Overheated Engine Protection
Operating Mode..................................... 412
Cooling System......................................... 413
Power Steering Fluid................................. 419
Windshield Washer Fluid........................... 420
Brakes...................................................... 421
Battery...................................................... 424
Jump Starting............................................ 425
All-Wheel Drive........................................... 430
Headlamp Aiming........................................ 431
Bulb Replacement....................................... 432
High Intensity Discharge (HID) Lighting..... 432
Halogen Bulbs........................................... 432
License Plate Lamp................................... 433
Replacement Bulbs................................... 433
Windshield Wiper Blade Replacement....... 434
Tires............................................................ 435
Tire Sidewall Labeling............................... 436
Tire Terminology and Denitions............... 439
Ination - Tire Pressure............................. 442
Tire Pressure Monitor System................... 444
Tire Inspection and Rotation...................... 448
When It Is Time for New Tires.................. 450
Section 5 Service and Appearance Care
383