2007 GMC SIERRA rear view mirror

If the mirrors are accidentally folded/unfolded
manually, they may shake or utter at normal
driving speeds and may not stay in the unfolded
position. If this happens, you will need to reset the
mirrors. See “Resetting the Power Foldaway
Mirrors” next.
Resetting the Power Foldaway Mirrors
You will need to reset the power foldaway mirrors
if the following occurs:
The mirrors are accidentally obstructed while
folding.
They are accidentally manually
folded/unfolded.
The mirrors will not stay in the unfolded
position.
The mirrors shake and utter at normal
driving speeds.
To reset the power foldaway mirrors, fold and
unfold them one time using the mirror controls.
This will reset them to their normal position.
This mirror has the following features.
Automatic Dimming
The driver’s outside mirror will adjust for the glare
of the headlamps behind you. SeeAutomatic
Dimming Rearview Mirror with OnStar
®, Compass
and Temperature Display on page 169.
Curb View Assist
If your vehicle has the memory package, the
outside mirrors are able to perform the curb view
assist mirror function. This feature may be
useful in allowing the driver to view the curb when
parallel parking. This feature will cause the
passenger’s and/or driver’s mirror to tilt to a
preselected position when the vehicle is in
REVERSE (R).
The passenger’s and/or driver’s mirror will return
to its original position when the vehicle is
shifted out of REVERSE (R), or the ignition is
turned off or to LOCK.
This feature can be turned on or off through the
Driver Information Center (DIC). SeeDriver
Information Center (DIC) on page 267.
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Heated Mirrors
The button to turn the heated mirrors on or off is
located on the climate control panel. Press
this button to warm the driver’s and passenger’s
outside rearview mirrors to help clear them of
ice, snow, and condensation.
See “Rear Window Defogger” underDual
Automatic Climate Control System on page 238
for more information.
Convex Mirror
{CAUTION:
A convex mirror can make things (like
other vehicles) look farther away than
they really are. If you cut too sharply into
the right lane, you could hit a vehicle on
your right. Check your inside mirror or
glance over your shoulder before
changing lanes.
The passenger’s side mirror may have convex
glass. A convex mirror’s surface is curved so more
can be seen from the driver’s seat.
Your vehicle may also have a turn signal indicator
on the mirror. An arrow on the mirror will ash
in the direction of the turn or lane change.
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The rails are notched at each end which allows
the tie-downs to be removed and placed on
another rail. To remove, pull the locator pin out
and slide the tie-down to the end of the rail
and pull back.
To remove or install cargo tie-downs at the front of
the bed, slide the corner cap towards the center of
the bed to expose the rail notches. To remove the
corner cap, pull either edge away from the rail.
To remove the system, loosen the toggle bolts
on each rail until they can be removed from the
bed of the truck. To replace the system, place the
toggle bolts and rails into their original locations
and tighten them to a torque setting of
12.5 ft-lbs (17
Y).
If the system is removed to install a bed liner,
make sure there is no bed liner material in
the installation points.
Notice:If you tie down cargo using the
horizontal slots on the top of the pickup box,
you may damage the box. Using the horizontal
slots on the top of the pickup box for tie-down
locations may cause damage to the pickup box
and would not be covered by your warranty.
Only use the tie-down loops if you do not have
the cargo management system.
Sunroof
If your vehicle has a power sliding sunroof, the
ignition needs to be turned to RUN, or the
Retained Accessory Power (RAP) must be
activated to open or close the sunroof. When RAP
is active, the sunroof will work for 10 minutes
after the ignition is turned off, or until the driver’s
door is opened. SeeRetained Accessory
Power (RAP) on page 134for more information.
Extended Cab
If your vehicle is an
extended-cab, the
sunroof switch is located
on the headliner above
the rearview mirror.
Vent:From the closed position, press and hold the
rear of the switch to vent the sunroof. To close the
sunroof, press and hold the front of the switch.
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Open:From the vent position, the sunroof can
be fully opened either manually or by using the
express-open feature. To open manually, press the
rear of the switch to the rst depression and hold
until the sunroof has reached the desired position.
To open using express-open, press the rear of the
switch fully and release. The sunroof will move to
the full open position. To stop the sunroof partway,
press the switch a second time.
Close:From the vent, or open position, press and
hold the front of the switch to close the sunroof.
The sunroof also has a roller sunshade that can be
used to block the rays of the sun. The roller
sunshade can be manually operated with the
sunroof in an open or closed position. To open the
sunshade, press and unlatch it, and roll it back. To
close, pull it forward and latch it into the closed
position.
When the sunroof is opened, an air deector will
automatically raise. The air deector will retract
when the sunroof is closed.Crew Cab
If your vehicle is a
crew cab, there are
two sunroof switches
located in the overhead
console above the
rearview mirror.
Vent:From the closed position, press the rear of
the passenger’s side switch to vent the sunroof.
To close the sunroof, press and hold the front
of the passenger’s side switch.
Manual-Open/Manual-Close:To open the
sunroof press and hold the rear of the driver’s side
switch until the sunroof reaches the desired
position. To close the sunroof, press and hold the
front of the driver’s side switch until the sunroof
reaches the desired position.
When the sunroof is opened, an air deector will
automatically raise. The air deector will retract
when the sunroof is closed.
201

Rainsense™ II Wipers
If your vehicle has Rainsense™ II windshield
wipers, the moisture sensor is located next to the
inside rearview mirror and is mounted on the
windshield. When active, these sensors are able
to detect moisture on the windshield and
automatically turn on the wipers.
To turn on the Rainsense™ feature, the wipers
must be set to one of the ve delay settings on the
multifunction lever. Each of the ve settings
adjusts the sensitivity of the rainsensor.
Since different drivers have different setting
preferences, it is recommended that the mid-range
setting (position 3) be used initially. For more
wipes, select the higher settings; for fewer wipes,
select the lower settings located closer to the
off position on the multifunction lever.The rainsensor will automatically control the
frequency of the wipes from the off setting to the
high speed setting according to the weather
conditions. The wipers can be left in a rainsense
mode even when it is not raining.
When Rainsense™ is active, the headlamps will
turn on automatically if the exterior lamp control is
in the AUTO position.
Notice:Going through an automatic car wash
with the wipers on can damage them. Turn
the wipers off when going through an
automatic car wash.
216

Sensors
The solar sensor, located in the defrost grille,
middle of the instrument panel, monitors the solar
radiation. Do not cover the solar sensor or the
system will not work properly.The interior temperature sensor, located in the
headliner, measures the temperature of the
air inside your vehicle.
There is also an exterior temperature sensor
located behind the front grille. This sensor reads the
outside air temperature and helps maintain the
temperature inside the vehicle. Any cover on the
front of the vehicle could cause a false reading in
the displayed temperature on the rearview mirror.
The climate control system uses the information
from these sensors to maintain your comfort setting
by adjusting the outlet temperature, fan speed, and
the air delivery mode. The system may also supply
cooler air to the side of the vehicle facing the sun.
The recirculation mode will also be used as needed
to maintain cool outlet temperatures.
243

Notice:Do not use a razor blade or sharp
object to clear the inside rear window. Do not
adhere anything to the defogger grid lines
in the rear glass. These actions may damage
the rear defogger. Repairs would not be
covered by your warranty.
W(Heated Mirrors):If your vehicle has heated
outside rearview mirrors, the mirrors will heat
to help clear fog or frost from the surface of the
mirror when the rear window defog button is
pressed. SeeOutside Power Mirrors on page 176.
Outlet Adjustment
Use the air outlets located in the center and on
the side of the instrument panel to direct the
airow.
Operation Tips

Keep the hood and front air inlets free of ice,
snow, or any other obstruction, such as
leaves. The heater and defroster will work
better, reducing the chance of fogging
the inside of your windows.
When you enter a vehicle in cold weather, set
the fan speed to maximum airow for a few
moments before driving. This helps clear
the intake ducts of snow and moisture, and
reduces the chance of fogging the inside
of your windows.
Keep the air path under the front seats clear
of objects. This helps air to circulate
throughout your vehicle.
Adding outside equipment to the front of the
vehicle, such as hood-air deectors, may affect
the performance of the heating and air
conditioning system. Check with your dealer
before adding equipment to the outside of
your vehicle.
245

After Off-Road Driving
Remove any brush or debris that has collected on
the underbody, chassis, or under the hood.
These accumulations can be a re hazard.
After operation in mud or sand, have the brake
linings cleaned and checked. These substances
can cause glazing and uneven braking. Check the
body structure, steering, suspension, wheels,
tires, and exhaust system for damage. Also, check
the fuel lines and cooling system for any leakage.
Your vehicle will require more frequent service
due to off-road use. Refer to the Maintenance
Schedule for additional information.
Driving at Night
Night driving is more dangerous than day driving.
One reason is that some drivers are likely to
be impaired — by alcohol or drugs, with night
vision problems, or by fatigue.
Here are some tips on night driving.
Drive defensively.
Do not drink and drive.
Adjust the inside rearview mirror to reduce the
glare from headlamps behind you.
Since you cannot see as well, you may need
to slow down and keep more space between
you and other vehicles.
Slow down, especially on higher speed roads.
Your vehicle’s headlamps can light up only so
much road ahead.
In remote areas, watch for animals.
If you are tired, pull off the road in a safe
place and rest.
No one can see as well at night as in the daytime.
But as we get older these differences increase.
A 50-year-old driver may require at least twice as
much light to see the same thing at night as a
20-year-old.
What you do in the daytime can also affect your
night vision. For example, if you spend the
day in bright sunshine you are wise to wear
sunglasses. Your eyes will have less trouble
adjusting to night. But if you are driving, do not
wear sunglasses at night. They may cut down on
glare from headlamps, but they also make a
lot of things invisible.
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