lock GMC SIERRA CLASSIC 2007 Repair Manual

Page 231 of 674

W(Defog):Airow is delivered through the oor
outlets, the windshield defroster outlets, and
the side window defroster outlets. The air ow can
be divided between oor and defrost depending
upon where the knob is placed between the
settings.
1(Defrost):This setting directs most air
through the windshield defroster outlets, side
window defroster outlets, and some through the
oor outlets.
Dual Climate Control System
With this system you can control the heating,
cooling, and ventilation for your vehicle.
Fan Control
9(Fan):Turn the left knob clockwise or
counterclockwise to increase or decrease the fan
speed. Turn the knob to the off position to turn
off the fan. If the knob is in off, outside air will still
enter the vehicle and will be directed based on
the position of the mode knob. The temperature
can also be adjusted using the temperature levers.
Turn the right knob clockwise or counterclockwise
to direct the airow inside of your vehicle.
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Dual Automatic Climate Control
System
With this system, you can control the heating,
cooling, and ventilation in your vehicle. Your
vehicle also has a ow-through ventilation system
described later in this section.
You can select different climate control settings for
the driver and passengers.
Driver’s Side Temperature Knob
The driver’s side knob is used to adjust the
temperature of the air coming through the system
on the driver’s side. The temperature can be
adjusted even if the system is turned off. This is
possible since outside air will always ow through
the system as the vehicle is moving forward
unless it is set to recirculation mode. See
“Recirculation” later in this section.
Turn the knob counterclockwise or clockwise to
lower or increase the cabin temperature. The
display will show the temperature setting
decreasing or increasing and an arrow pointing to
the driver will be displayed under and to the
left of the temperature setting.
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Passenger’s Side Temperature Knob
The passenger’s side knob can be used to change
the temperature of the air coming through the
system on the passenger’s side of the vehicle. The
temperature can be adjusted even if the system
is turned off. This is possible since outside air will
always ow through the system as the vehicle
is moving forward unless it is set to recirculation
mode. See “Recirculation” later in this section.
Turn the knob counterclockwise or clockwise
to lower or increase the cabin temperature. The
display will show the temperature setting
decreasing or increasing and an arrow pointing to
the passenger will be displayed under and to
the right of the temperature setting.
The passenger’s temperature setting can be set to
match the driver’s temperature setting by
pressing and holding the AUTO button for four
seconds. Both the driver and passenger arrows will
be displayed.
Automatic Operation
AUTO (Automatic):When automatic operation is
active the system will control the inside
temperature, the air delivery, and the fan speed.
Use the steps below to place the entire system in
automatic mode:
1. Press the AUTO button.
When AUTO is selected, the display will change
to show the current driver’s set temperature,
delivery mode and fan speed. Press the AUTO
button again within ve seconds to display the
passenger’s set temperature.
If the driver and passenger’s temperature
settings are not the same, the opposite side
temperature setting will be displayed for
an additional ve seconds. To make the
passenger’s temperature the same as
the driver’s press and hold the AUTO button
for about four seconds.
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Page 255 of 674

This light should come on briey when you turn
the ignition key to RUN. If it does not come
on then, have it xed so it will be ready to warn
you if there is a problem.
If the light comes on while you are driving, pull off
the road and stop carefully. You may notice
that the pedal is harder to push or may go closer
to the oor. It may take longer to stop. If the
light is still on, have the vehicle towed for service.
SeeTowing Your Vehicle on page 423.
{CAUTION:
Your brake system may not be working
properly if the brake system warning light
is on. Driving with the brake system
warning light on can lead to an accident.
If the light is still on after you have pulled
off the road and stopped carefully, have
the vehicle towed for service.
Anti-Lock Brake System Warning
Light
With the Anti-Lock Brake
System (ABS), this light
will come on when you
start your engine and
may stay on for several
seconds.
That is normal. If the light does not come on then,
have it xed so it will be ready to warn you if
there is a problem.
If the light stays on, or comes on when you are
driving, your vehicle needs service. A chime
will sound when the light stays on. If the regular
brake system warning light is not on, you still have
brakes, but you do not have ABS. If the regular
brake system warning light is also on you do
not have ABS and there is a problem with your
regular brakes. In addition to both lights, you
will also hear a chime sound on the rst
occurrence of a problem and each time the
vehicle is shut off and then restarted. SeeBrake
System Warning Light on page 254.
255

Page 282 of 674

DIC Vehicle Customization
Your vehicle may have customization capabilities
that allow you to program some features to one
setting based on your preference. All of the
customizable options listed may not be available on
your vehicle. Only the options available will be
displayed on your Driver Information Center (DIC).
The default settings for the customization features
were set when your vehicle left the factory, but
may have been changed from their default
state since then.
To change feature preferences, make sure the
ignition is on and the vehicle is in PARK (P).
To avoid excessive drain on the battery, it
is recommended that the headlamps are turned
off. Press the customization button to scroll
through the available customizable options.
After pressing the customization button, VEHICLE
SETTINGS will momentarily display before
going to a customization option.
Lock Doors (Automatic Transmission only)
If you have an automatic transmission vehicle,
press the customization button until LOCK DOORS
appears in the display. To select your preference
for automatic locking, press the select button
while LOCK DOORS is displayed on the DIC.
Pressing the select button will scroll through the
following choices:
LOCK DOORS: IN GEAR (default):The doors
will lock when the vehicle is shifted out of
PARK (P).
LOCK DOORS: WITH SPEED:The doors will
lock when the vehicle speed is above
8 mph (13 km/h) for three seconds.
Choose one of the available options and press the
customization button while it is displayed on the
DIC to select it and move on to the next feature.
For more information on automatic door locks, see
Programmable Automatic Door Locks on
page 123.
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Unlock Doors (Automatic
Transmission only)
If you have an automatic transmission vehicle,
press the customization button until UNLOCK
DOORS appears in the display. To select
your preference for automatic unlocking, press the
select button while UNLOCK DOORS is displayed
on the DIC. Pressing the select button will
scroll through the following choices:
UNLOCK DOORS: IN PARK (default):All of the
doors will unlock when the vehicle is shifted
into PARK (P).
UNLOCK DRIVER: IN PARK:The driver’s door
will be unlocked when the vehicle is shifted
into PARK (P).
UNLOCK DOORS: KEY OUT:All of the doors
will unlock when the key is taken out of the
ignition.UNLOCK DOORS: MANUALLY:The doors will
not be unlocked automatically.
Choose one of the available options and press the
customization button while it is displayed on the
DIC to select it and move on to the next feature.
For more information on automatic door locks, see
Programmable Automatic Door Locks on
page 123.
Door Lock Delay (Crew Cab only)
If your DIC does not have this feature, you still
may be able to program the delayed locking
feature. SeeDelayed Locking on page 122for
more information.
When locking the doors with the power lock switch
or the Remote Keyless Entry (RKE) transmitter
and a door is open, the delayed locking feature will
delay locking the doors until ve seconds after
the last door is closed.
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Press the customization button until DOOR LOCK
DELAY appears in the display. To select your
preference for delayed locking, press the select
button while DOOR LOCK DELAY is displayed on
the DIC. Pressing the select button will scroll
through the following choices:
DOOR LOCK DELAY: OFF (default):The doors
will lock immediately when pressing the power
lock switch or the lock button on the RKE
transmitter.
DOOR LOCK DELAY: ON:The doors will not
lock until ve seconds after the last door is closed.
You will hear three chimes to signal that the
delayed locking feature is in use. You can
temporarily override delayed locking by pressing
the lock button on the door or the RKE transmitter
a second time.
Choose one of the available options and press the
customization button while it is displayed on the
DIC to select it and move on to the next feature.
This feature will not operate if the key is in
the ignition.Lock Feedback
Press the customization button until LOCK
FEEDBACK appears in the display. To select your
preference for the feedback you receive when
locking the vehicle with the Remote Keyless Entry
(RKE) transmitter, press the select button while
LOCK FEEDBACK is displayed on the DIC.
Pressing the select button will scroll through the
following choices:
LOCK FEEDBACK: BOTH (default):The parking
lamps will ash each time you press the button with
the lock symbol on the RKE transmitter and the
horn will chirp the second time you press the lock
button.
LOCK FEEDBACK: LAMPS:The parking lamps
will ash each time you press the button with
the lock symbol on the RKE transmitter.
LOCK FEEDBACK: HORN:The horn will chirp
the second time you press the button with the lock
symbol on the RKE transmitter.
LOCK FEEDBACK: OFF:There will be no
feedback when locking the vehicle.
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Choose one of the available options and press the
customization button while it is displayed on the
DIC to select it and move on to the next feature.
Unlock Feedback
Press the customization button until UNLOCK
FEEDBACK appears in the display. To select your
preference for the feedback you will receive
when unlocking the vehicle with the Remote
Keyless Entry (RKE) transmitter, press the select
button while UNLOCK FEEDBACK is displayed
on the DIC. Pressing the select button will
scroll through the following choices:
UNLOCK FEEDBACK: LAMPS (default):The
parking lamps will ash each time you press
the button with the unlock symbol on the RKE
transmitter.
UNLOCK FEEDBACK: HORN:The horn will
chirp the second time you press the button with the
unlock symbol on the RKE transmitter.
UNLOCK FEEDBACK: BOTH:The parking
lamps will ash each time you press the button
with the unlock symbol on the RKE transmitter and
the horn will chirp the second time you press
the unlock button.UNLOCK FEEDBACK: OFF:There will be no
feedback when unlocking the vehicle.
Choose one of the available options and press the
customization button while it is displayed on the
DIC to select it and move on to the next feature.
Headlamp Delay
Press the customization button until HEADLAMP
DELAY appears in the display. To select your
preference for how long the headlamps will stay
on when you turn off the vehicle, press the
select button while HEADLAMP DELAY is
displayed on the DIC. Pressing the select button
will scroll through the following choices:
HEADLAMP DELAY: 10 SEC (Seconds)
(default)
HEADLAMP DELAY: 20 SEC
HEADLAMP DELAY: 40 SEC
HEADLAMP DELAY: 1 MIN (Minute)
HEADLAMP DELAY: 2 MIN
HEADLAMP DELAY: 3 MIN
HEADLAMP DELAY: OFF
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The amount of time you choose will be the
amount of time that the headlamps stay on after
you turn off the vehicle. If you choose off, the
headlamps will turn off as soon as you turn off the
vehicle.
Choose one of the available options and press the
customization button while it is displayed on the
DIC to select it and move on to the next feature.
Perimeter Lights
Press the customization button until PERIMETER
LIGHTS appears in the display. To select your
preference for perimeter lighting, press the select
button while PERIMETER LIGHTS is displayed
on the DIC. Pressing the select button will
scroll through the following choices:
PERIMETER LIGHTS: ON (default):The
headlamps and back-up lamps will come on for
40 seconds, if it is dark enough outside, when you
unlock the vehicle with the Remote Keyless
Entry (RKE) transmitter.PERIMETER LIGHTS: OFF:The perimeter lights
will not come on when you unlock the vehicle
with the RKE transmitter.
Choose one of the available options and press the
customization button while it is displayed on the
DIC to select it and move on to the next feature.
Easy Exit Seat
Press the customization button until EASY EXIT
SEAT appears in the display. To select your
preference for seat position exit, press the select
button while EASY EXIT SEAT is displayed
on the DIC. Pressing the select button will scroll
through the following choices:
EASY EXIT SEAT: OFF (default):No seat exit
recall will occur.
EASY EXIT SEAT: ON:The driver’s seat will
move to the exit position when the key is removed
from the ignition.
Choose one of the available options and press the
customization button while it is displayed on the
DIC to select it and move on to the next feature.
For more information on seat position exit,
seeMemory Seat and Mirrors on page 12.
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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. 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.Notice:The chime signals related to safety
belts, parking brake, and other functions
of your vehicle operate through the
radio/entertainment system. If that equipment
is replaced or additional equipment is added
to your vehicle, the chimes may not work. Make
sure that replacement or additional equipment
is compatible with your vehicle before
installing it. SeeAccessories and Modifications
on page 468.
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 137for more information.
Setting the Time for Radios without
Radio Data Systems (RDS)
Press and hold HR (hour) until the correct hour
appears on the display. Press and hold MIN
(minute) until the correct minute appears on the
display. There is an initial two-second delay before
the clock goes into time-set mode. Display the
time with the ignition off, by pressing RCL (recall),
HR, or MIN.
290

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