lock HUMMER H3 2007 Manual PDF

Page 207 of 480

Finding a Category (CAT) Station
To select and nd a desired category perform
the following:
1. Press the CAT button to activate program
type select mode. A category appears on
the display.
2. Press the CAT button to select a category.
3. Once the desired category is displayed, press
either SEEK arrow to select and to take you
to the categories rst station.
4. To go to another station within that category
and the category is displayed, press the CAT
button once. If the category is not displayed,
press the CAT button twice to display the
category and then to go to another station.
5. Press CAT to exit program type select mode.
If CAT times out and is no longer on the
display, go back to Step 1.
If the radio cannot nd the desired program
type, NONE displays and the radio returns to
the last station you were listening to.BAND (Alternate Frequency):Alternate
frequency allows the radio to switch to a
stronger station with the same category. To turn
alternate frequency on, press and hold BAND
for two seconds. AF ON displays. The radio may
switch to stations with a stronger frequency.
To turn alternate frequency off, press and hold
BAND again for two seconds. AF OFF displays.
The radio does not switch to other stations.
This function does not apply for XM™ Satellite
Radio Service.
Radio Messages
CAL ERR (Calibration Error):The audio system
has been calibrated for your vehicle from the
factory. If CAL ERR displays it means that the radio
has not been congured properly for your vehicle
and it must be returned to your dealer for service.
LOC (Locked):This message is displayed when
the THEFTLOCK
®system has locked up. Take
your vehicle to your dealer for service.
If any error occurs repeatedly or if an error cannot
be corrected, contact your dealer.
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Page 212 of 480

Playing the Radio
P
(Power):Press this knob to turn the system
on and off.
Turn this knob clockwise or counterclockwise to
increase or to decrease the volume.
DISP (Display):When the ignition is turned off,
press this knob to display the time.
For XM™ (if equipped), press the DISP knob while
in XM™ mode to retrieve four different categories of
information related to the current song or channel:
Artist, Song Title, Category or PTY (program type),
Channel Number/Channel Name.
To change the default on the display, press the
DISP knob until you see the desired display, then
hold this knob for two seconds. The radio produces
one beep and the selected display becomes the
default.AUTO VOL (Automatic Volume):With automatic
volume, the audio system adjusts automatically
to make up for road and wind noise as you drive.
Set the volume at the desired level. Press this
button to select LOW, MEDIUM, or HIGH.
Each higher setting allows for more volume
compensation at faster vehicle speeds. Then as
you drive, automatic volume increases the volume,
as necessary, to overcome noise at any speed.
The volume level should always sound the same to
you as you drive. NONE displays if the radio
cannot determine the vehicle speed. To turn
automatic volume off, press this button until
AVOL OFF displays.
Finding a Station
BAND:Press this button to switch between FM1,
FM2, AM, or XM1 or XM2 (if equipped). The
display shows the selection.
e(Tune):Turn this knob to select radio stations.
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Page 216 of 480

Radio Messages
CAL ERR (Calibration Error):The audio system
has been calibrated for your vehicle from the
factory. If CAL ERR displays it means that
the radio has not been congured properly for
your vehicle and it must be returned to your
dealer for service.
LOC (Locked):This message is displayed
when the THEFTLOCK
®system has locked up.
Take your vehicle to your dealer for service.
If any error occurs repeatedly or if an error cannot
be corrected, contact your dealer.
Radio Messages for XM™ Only
SeeXM Radio Messages on page 228later in
this section for further detail.
Playing a CD
If the ignition or radio is turned off, with a CD in the
player, it stays in the player. When the ignition or
radio is turned on, the CD starts playing where it
stopped, if it was the last selected audio source.When a CD is inserted, READING and the CD
symbol appears on display. As each new
track starts to play, the track number appears
on the display.
The CD player can play the smaller 3 inch (8 cm)
single CDs with an adapter ring. Full-size CDs
and the smaller CDs are loaded in the same
manner.
If playing a CD-R, the sound quality may be
reduced due to CD-R quality, the method of
recording, the quality of the music that has been
recorded, and the way the CD-R has been
handled. There may be an increase in skipping,
difficulty in nding tracks, and/or difficulty in loading
and ejecting. If these problems occur, check the
bottom surface of the CD. If the surface of the CD
is damaged, such as cracked, broken, or
scratched, the CD will not play properly. If the
surface of the CD is soiled, seeCare of Your CDs
on page 231for more information.
If there is no apparent damage, try a known
good CD.
216

Page 228 of 480

XM Radio Messages
Radio Display Message Condition Action Required
XL (Explicit Language
Channels)XL on the radio display,
after the channel name,
indicates content with
explicit language.These channels, or any others, can be blocked at a
customer’s request, by calling 1-800-852-XMXM (9696).
Updating Updating encryption code The encryption code in the receiver is being updated, and no
action is required. This process should take no longer than
30 seconds.
No Signl Loss of signal The system is functioning correctly, but the vehicle is in a
location that is blocking the XM™ signal. When the vehicle
is moved into an open area, the signal should return.
Loading Acquiring channel audio
(after 4 second delay)The radio system is acquiring and processing audio and text
data. No action is needed. This message should disappear
shortly.
Off Air Channel not in service This channel is not currently in service. Tune to another
channel.
CH Unavl Channel no longer
availableThis previously assigned channel is no longer assigned.
Tune to another station. If this station was one of the presets,
choose another station for that preset button.
No Info Artist Name/Feature
not availableNo artist information is available at this time on this channel.
The system is working properly.
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Page 229 of 480

Radio Display Message Condition Action Required
No Info Song/Program Title
not availableNo song title information is available at this time on this
channel. The system is working properly.
No Info Category Name
not availableNo category information is available at this time on this
channel. The system is working properly.
No Info No Text/Informational
message availableNo text or informational messages are available at this time
on this channel. The system is working properly.
NotFound No channel available
for the chosen categoryThere are no channels available for the selected category.
The system is working properly.
XM Lock Theft lock active The XM™ receiver in your vehicle may have previously
been in another vehicle. For security purposes, XM™
receivers cannot be swapped between vehicles. If this
message is received after having your vehicle serviced,
check with your GM dealer.
Radio ID Radio ID label (channel 0) If tuned to channel 0, this message will alternate with the
XM™ Radio eight digit radio ID label. This label is needed
to activate the service.
Unknown Radio ID not known
(should only be if
hardware failure)If this message is received when tuned to channel 0, there
may be a receiver fault. Consult with your GM dealer.
Check XM Hardware failure If this message does not clear within a short period of time,
the receiver may have a fault. Consult with your GM dealer.
229

Page 230 of 480

Navigation/Radio System
Your vehicle may have a navigation radio system.
The navigation system has built-in features
intended to minimize driver distraction. Technology
alone, no matter how advanced, can never
replace your own judgment. See the Navigation
System manual for some tips to help you
reduce distractions while driving.
Theft-Deterrent Feature
THEFTLOCK®is designed to discourage theft
of your vehicle’s radio. The feature works
automatically by learning a portion of the
Vehicle Identication Number (VIN). If the radio
is moved to a different vehicle, it does not
operate and LOCKED displays.
When the radio and vehicle are turned off, the
blinking red light indicates that THEFTLOCK
®
is armed.
With THEFTLOCK
®activated, the radio does
not operate if stolen.
Radio Reception
You may experience frequency interference and
static during normal radio reception if items
such as cellphone chargers, vehicle convenience
accessories, and external electronic devices
are plugged into the accessory power outlet.
If there is interference or static, unplug the item
from the accessory power outlet.
AM
The range for most AM stations is greater than
for FM, especially at night. The longer range can
cause station frequencies to interfere with each
other. For better radio reception, most AM
radio stations will boost the power levels during
the day, and then reduce these levels during
the night. Static can also occur when things like
storms and power lines interfere with radio
reception. When this happens, try reducing the
treble on your radio.
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Page 233 of 480

Your Driving, the Road, and Your Vehicle.... 234
Defensive Driving...................................... 234
Drunken Driving........................................ 235
Control of a Vehicle.................................. 238
Braking...................................................... 238
Anti-Lock Brake System (ABS).................. 239
Braking in Emergencies............................. 241
Traction Control System (TCS).................. 241
Locking Rear Axle..................................... 243
StabiliTrak
®System................................... 244
Steering.................................................... 245
Off-Road Recovery.................................... 247
Passing..................................................... 247
Loss of Control.......................................... 249
Off-Road Driving........................................ 250
Assist Steps.............................................. 271
Driving at Night......................................... 272Driving in Rain and on Wet Roads............ 273
City Driving............................................... 276
Freeway Driving........................................ 277
Before Leaving on a Long Trip.................. 278
Highway Hypnosis..................................... 279
Hill and Mountain Roads........................... 279
Winter Driving........................................... 281
If Your Vehicle is Stuck in Sand,
Mud, Ice, or Snow ................................. 286
Rocking Your Vehicle to Get It Out........... 286
Recovery Loops........................................ 287
Loading Your Vehicle................................ 289
Towing........................................................ 294
Towing Your Vehicle ................................. 294
Recreational Vehicle Towing...................... 295
Towing a Trailer........................................ 297
Trailer Recommendations.......................... 310
Section 4 Driving Your Vehicle
233

Page 239 of 480

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 may 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 ever loses electrical power while you
are driving, brake normally but do not pump the
brakes. If you do, the pedal may get harder to push
down. If your vehicle loses electrical power, you will
still have some power brake assist. But you will use
it when you brake. Once the power assist is used
up, it may take longer to stop, the brake pedal will
be harder to push, and you may experience longer
pedal travel.
Adding non-GM accessories can affect your
vehicle’s performance. SeeAccessories and
Modications on page 314Anti-Lock Brake System (ABS)
Your vehicle has the Anti-Lock Brake
System (ABS), an advanced electronic braking
system that will help prevent a braking skid.
When you start your engine and begin to drive
away, ABS will check itself. You may hear a
momentary motor or clicking noise while this
test is going on. This is normal.
If there is a problem
with ABS, this warning
light will stay on.
SeeAnti-Lock Brake
System Warning
Light on page 183.
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Page 241 of 480

Remember: ABS does not change the time you
need to get your foot up to the brake pedal or
always decrease stopping distance. If you get too
close to the vehicle in front of you, you will not have
time to apply your brakes if that vehicle suddenly
slows or stops. Always leave enough room up
ahead to stop, even though you have ABS.
Using ABS
Do not pump the brakes. Just hold the brake
pedal down rmly and let anti-lock work for you.
You may feel the brakes vibrate, or you may
notice some noise, but this is normal.
Braking in Emergencies
With ABS, you can steer and brake at the same
time. In many emergencies, steering can help you
more than even the very best braking.
Traction Control System (TCS)
Your vehicle has a Traction Control System (TCS)
that limits wheel spin. This is especially useful
in slippery road conditions. The system operates
only if it senses that any of the wheels are spinning
or beginning to lose traction. When this happens,
the system applies the brakes to limit wheel
spin and also reduces engine power. You may
feel or hear the system working, but this is normal.
The Traction Control System may operate on dry
roads under some conditions. When this happens,
you may notice a reduction in acceleration or a
pumping sound. This is normal and doesn’t mean
there’s a problem with your vehicle. Examples of
these conditions include hard acceleration in a turn,
an abrupt upshift or downshift of the transmission
or driving on rough roads.
If your vehicle is in cruise control when the TCS
begins to limit wheel spin, the cruise control will
automatically disengage. When road conditions
allow you to safely use it again, you may re-engage
the cruise control. SeeCruise Control on page 159.
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Page 242 of 480

If your vehicle has a Driver information Center
(DIC), a TRACTION FAILED message will appear
when a Traction Control System or Anti-Lock
Brake System problem has been detected and the
vehicle needs service. SeeDIC Warnings and
Messages on page 196for more information.
When this message is on, the system will not limit
wheel spin. Adjust your driving accordingly.
The traction control system automatically comes
on whenever you start your vehicle. To limit wheel
spin, especially in slippery road conditions, you
should always leave the system on. But you
can turn the traction control system off if you
ever need to.
To turn the system off,
press and hold the TCS
button for ve seconds.This light will come
on steady when the
traction control system
has been turned off.
This light ashes
when TCS is active.
If you press and hold the TC button for
ve seconds, the traction control system will turn
off and a TRAC OFF message will appear on
the DIC. Press the TC button again to turn
the system back on. The TRAC OFF message
will then go off. The traction control system
will reset itself at each ignition cycle.
Adding non-GM accessories can affect your
vehicle’s performance. SeeAccessories and
Modications on page 314for more information.
242

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