2007 CHEVROLET TRAIL BLAZER Owners Manual

Battery Replacement
Under normal use, the battery in your RKE
transmitter should last about two years.
the battery is weak if the transmitter does not work
at the normal range in any location. If you have
to get close to your vehicle before the transmitter
works, it is probably time to change the battery.
The Driver Information Center (DIC) will display a
KEY FOB # BATTERY LOW message when
the transmitter battery is low.
Notice:When replacing the battery, use care
not to touch any of the circuitry. Static
from your body transferred to these surfaces
may damage the transmitter.To replace the battery in the RKE transmitter do
the following:
1. Insert a thin coin in the slot between the
covers of the transmitter housing. Gently
pry the transmitter apart.
2. Remove and replace the battery with a
three-volt CR2032 or equivalent battery.
3. Align the covers and snap them together.
4. Check the operation of the transmitter.
97

Doors and Locks
Door Locks
{CAUTION:
Unlocked doors can be dangerous.
Passengers, especially children, can
easily open the doors and fall out of a
moving vehicle. When a door is
locked, the handle will not open it.
You increase the chance of being
thrown out of the vehicle in a crash if
the doors are not locked. So, wear
safety belts properly and lock the
doors whenever you drive.
CAUTION: (Continued)
CAUTION: (Continued)

Young children who get into unlocked
vehicles may be unable to get out.
A child can be overcome by extreme
heat and can suffer permanent injuries
or even death from heat stroke.
Always lock your vehicle whenever
you leave it.
Outsiders can easily enter through an
unlocked door when you slow down
or stop your vehicle. Locking your
doors can help prevent this from
happening.
There are several ways to lock and unlock your
vehicle. You can use the remote keyless entry
transmitter.
You can use your key to unlock your door from
the outside.
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You can lock or unlock
the door from the inside
by sliding the manual
lever forward or
rearward.
When the door is unlocked, you can see a red
area on the lever.
The manual lever on each door works only that
door’s lock.Power Door Locks
The power door lock
switches are located on
the driver’s and front
passenger’s door
armrests.
Press the lock symbol to lock all of the doors.
To unlock the doors, press the other side of
the switch.
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Delayed Locking
This feature delays the locking of the doors and
the liftgate when using the power lock or the
remote keyless entry system.
The rst press of the power door lock switch or
lock button on the remote keyless entry transmitter
with the driver’s door open will activate the
delay locking. A chime will sound. All doors and
the liftgate can be reopened for up to ve seconds
from the time the last door is closed.
Five seconds after the last door is closed, all the
doors will lock. You can lock the doors
immediately by using the power door lock switch
or by pressing the lock button on the optional
remote keyless entry transmitter a second time.
If the key is inserted in the ignition, this feature will
not lock the doors. SeeLockout Protection on
page 103.
You can turn the delayed locking feature on or off.
If the feature is turned off, the doors will lock
immediately when a power door lock switch or
remote keyless entry transmitter lock button
is pressed.
Programming Delayed Locking
To turn the delayed locking feature on or off, do
the following:
1. Press and hold the power door lock switch on
the driver’s door in the lock position.
2. Press the remote keyless entry transmitter
unlock button twice.
If the delayed locking feature was on, it will now
be off. If the feature was off, it will now be on.
Programmable Automatic
Door Locks
Your vehicle is equipped with an automatic
lock/unlock feature which enables you to program
your vehicle’s power door locks. You can program
this feature through the Driver Information
Center (DIC), or by the following method.
SeeDIC Vehicle Customization on page 231.
100

Programmable Locking Feature
Following are the two locking modes that can be
programmed:
Mode 1:All doors lock when the transmission is
shifted out of PARK (P).
Mode 2:All doors lock when the vehicle speed is
greater than 8 mph (13 km/h).
The automatic door locks were pre-programmed at
the factory to lock all the doors when the
transmission is shifted into gear. The following
instructions detail how to program your door locks
differently than the factory setting. Choose one
of the two programming options listed previously
before entering the program mode.
To enter the program mode, do the following:
1. Begin with the ignition off. Then pull the turn
signal/multifunction lever toward you and hold
it there while you perform the next step.
2. Turn the key to RUN and LOCK twice.
Then, with the key in LOCK, release the turn
signal/multifunction lever. Once you do
this, you will hear the lock switch lock and
unlock, the horn will chirp twice, and a
30-second program timer will begin.3. You are now ready to program the automatic
door locks. Select one of the two programming
options listed previously, and press the lock
side of the power door lock switch to
cycle through the lock options. You will have
30 seconds to begin programming. If you
exceed the 30-second limit, the locks
will automatically lock and unlock and the
horn will chirp twice to indicate that you have
left the program mode. If this occurs, repeat
the procedure beginning with Step 1 to
re-enter the programming mode.
You can exit the program mode any time by
turning the ignition to RUN. The locks will
automatically lock and unlock and the horn will
chirp twice to indicate that you are leaving
the program mode. If the lock/unlock switches are
not pressed while in the programming mode,
the current auto lock/unlock setting will not
be modied.
See your dealer for more information.
101

Programmable Unlocking Feature
The following is the list of available programming
options:
Mode 1:Driver’s door unlocks when the
transmission is shifted into PARK (P).
Mode 2:All doors unlock when the transmission
is shifted into PARK (P).
Mode 3:All doors unlock when the key is
removed from the ignition.
Mode 4:No automatic door unlock.
The automatic door locks were pre-programmed
at the factory to unlock all doors once the
transmission is shifted to PARK (P). The following
instructions detail how to program your door
locks differently than the factory setting. Choose
one of the four programming options listed
previously before entering the program mode.
To enter the program mode you need to do the
following:
1. Begin with the ignition off. Then pull the turn
signal/multifunction lever toward you and hold
it there while you perform the next step.2. Turn the key to RUN and LOCK twice.
Then, with the key in LOCK, release the
turn signal/multifunction lever. Once you do
this, you will hear the lock switch lock
and unlock, the horn will chirp twice, and a
30-second program timer will begin.
3. You are now ready to program the automatic
door locks. Select one of the four
programming options listed above, and press
the unlock side of the power door lock
switch to cycle through the unlocking options.
You will have 30 seconds to begin
programming. If you exceed the 30-second
limit, the locks will automatically lock and
unlock and the horn will chirp twice to indicate
that you have left the program mode. If this
occurs, repeat the procedure beginning
with Step 1 to re-enter the programming mode.
You can exit the program mode any time by turning
the ignition to RUN. The locks will automatically
lock and unlock and the horn will chirp twice to
indicate that you are leaving the program mode.
If the lock/unlock switches are not pressed while
in the programming mode, the current auto
lock/unlock setting will not be modied.
See your dealer for more information.
102

Rear Door Security Locks
Your vehicle may have this feature. You can lock
the rear doors so they cannot be opened from
the inside by passengers. To use one of
these locks do the following:
1. Open one of the rear doors. You will nd a
security lock lever located on the inside
edge of each rear door.
2. Move the lever down
to engage the
security lock. Move
the lever up to
disengage the
security lock.
3. Close the door.The rear doors of your vehicle cannot be opened
from the inside while this feature is in use.
If you want to open the rear door while the security
lock is on, unlock the door and open the door
from the outside.
Lockout Protection
This feature stops the power door locks from
locking when the key is in the ignition and a door
is open to protect you from locking your key in
the vehicle.
If the power lock switch is pressed when a door is
open and the key is in the ignition, all the doors
will lock and then the driver’s door will unlock.
103

Liftgate/Liftglass
{CAUTION:
It can be dangerous to drive with the
liftgate or liftglass open because carbon
monoxide (CO) gas can come into your
vehicle. You cannot see or smell CO. It
can cause unconsciousness and even
death. If you must drive with the liftgate
open or if electrical wiring or other cable
connections must pass through the seal
between the body and the liftgate or
liftglass:
Make sure all other windows are shut.
Turn the fan on your climate control
system to its highest speed and select
the control setting that will force
outside air into your vehicle. See
“Climate Control System” in the Index.
If you have air outlets on or under the
instrument panel, open them all the
way. SeeEngine Exhaust on page 130.
Liftgate Release
To unlock the liftgate, use the power door lock
switch or the remote keyless entry transmitter. See
Remote Keyless Entry (RKE) System Operation
on page 96. The liftglass will also unlock when the
liftgate is unlocked.
Press the button on the liftglass to open it. To
open the entire liftgate, lift the handle located in
the center of the liftgate. When the liftgate is
opened, the liftglass will lock after a short delay.
Emergency Release for Opening
Liftgate
1. Remove the trim plug, located on the inside of
the liftgate in the center, to expose the access
hole in the trim panel.
2. Use a tool to reach through the access hole in
the trim panel.
3. Pry the left release lever up to the unlock
position. Pry the right release lever up to
unlatch the liftgate.
4. Reinstall the trim plug.
104