2003 GMC SIERRA DENALI Owners Manual

The hazard warning
flasher button is located at
the top
of the steering
column.
Horn
To sound the horn, press the center pad on the steerin?
wheel.
Your hazard warning flashers work no matter what
position your key is in, and even
if the key isn’t in.
Press the button to make the front and rear turn signal
lamps flash on and
off. Press the button again to
turn the flashers
off.
When the hazard warning flashers are on, your turn
signals won’t work.
Other Warning Devices
If you carry reflective triangles, you can use them to
warn others. Set one up at the side
of the road about
300 feet (100 m) behind your vehicle.
Tilt Wheel
A tilt wheel allows you to adjust the steering wheel
before you drive. You can raise
it to the highest level to
give your legs more room when you exit and enter
your vehicle.
The tilt steering wheel
lever is located on the
lower left side
of the
steering column.
To tilt the wheel, hold the steering wheel and pull the
lever. Then move the steering wheel to a comfortable
position and release the lever to lock the wheel in place.
3-4

Turn SignaVMultifunction Lever
The lever on the left side of the steering column
includes the following:
00 Turn and Lane Change Signals
0 EO Headlamp High/Low Beam Changer
- -
Flash-to-Pass Feature
Windshield Wipers
Windshield Washer
‘m Cruise Control (if Equipped)
For information on the exterior lamps, see
Exterior
Lamps on page 3-11 earlier in this section.
Turn and Lane Change Signals
The turn signal has two upward (for right) and two
downward (for left) positions. These positions allow you
to signai a turn or a lane change.
To signal a turn, move the lever all the way up or down.
When the turn is finished, the lever will return
automatically.
An arrow on the instrument
panel cluster will flash
in
the direction of the
turn or lane change.
To signal a lane change, just raise or lower the lever
until the arrow starts to flash. Hold it there until you
complete your lane change. The lever will return by itself
when you release it.
If you move the lever all the way up or down, and the
arrow flashes at twice the normal rate, a signal bulb may
be burned out and other drivers may not see your
turn signal.
If a bulb
is burned out, replace it to help avoid an
accident. If the arrows don’t
go on at all when you signal
a turn, check for burned-out bulbs or a blown fuse
See
Fuses and Circuit Breakers on page 5-95.
3-5

Turn Signal On Chime
If your turn signal is left on for more than 3/4 of a mile
(1.2 km), a chime will sound at each flash of the
turn signal. To turn
off the chime, move the turn signal
lever to the
off position.
Headlamp High/Low Beam Changer
To change the headlamps from low to high beam, push
the lever toward the instrument panel.
To return the
low-beam headlamps, pull the multifunction lever toward
you. Then release it.
When the high beams are
on, this light on the
instrument panel cluster
also will be on.
I I
Flash-To-Pass Feature
This feature allows you to use your high-beam
headlamps to signal a driver in front
of you that you
want to pass. It works even
if your headlamps are off
To use it, pull the turn signal lever toward you.
If your headlamps are
off or on low-beam, your
high-beam headlamps will turn on. They’ll stay on as long
as you hold the lever toward you and the high-beam
indicator on the instrument panel will come on. Release
the lever
to turn the high-beam headlamps off.
Windshield Wipers
0: OFF
$? : MIST
You control the windshield wipers by turning the band
with the wiper symbol on it.
For a single wiping cycle, turn the band to mist.
Hold it
there until the wipers start, then let go. The wipers
will stop after one wipe.
If you want more wipes, hold
the band on mist longer.
3-6

You can set the wiper speed for a long or short delay
between wipes. This can be very useful in light rain
or snow. Turn the band to choose the delay time. The
closer
to the top of the lever, the shorter the delay.
For steady wiping at low speed, turn the band away from
you to the first solid band past the delay settings.
position. For high-speed wiping, turn the band further, to
the second solid band past the delay settings.
To
stop the wipers, move the band to off position.
Be sure to clear ice and snow from the wiper blades
before using them.
If they’re frozen to the windshield,
carefully loosen or thaw them. If your blades do become
worn or damaged, get new blades or blade inserts.
Windshield Washer
There is a paddle marked with the windshield washer
symbol at the top of the multifunction lever. To
spray washer fluid on the windshield, push the paddle.
The wipers will clear the window and then either
stc~- 3r return to your preset -reed.
In freezing weather, don’t use your washer
until the windshield is warmed. Otherwise the
washer fluid can form ice on the windshield,
blocking your vision.
3-7

Cruise Control
0 : off
I : On
t : Resume/Accelerate
R: Set With cruise control,
you can maintain
a speed of about
25 mph (40 km/h) or more without keeping your foot
on the accelerator.
This can really help on long trips. Cruise control does
not work at speeds below about
25 mph (40 km/h).
If you apply your brakes, or press the clutch pedal (if
equipped), the cruise control will disengage.
Cruise control can be dangerous where
you can’t drive safely at a steady speed.
So, don’t use your cruise control on
winding roads or in heavy traffic.
Cruise control can be dangerous on
slippery roads. On such roads, fast
changes
in tire traction can cause
needless wheel spinning, and you could
lose control. Don’t use cruise control on
slippery roads.
3-8

Setti- - Yruise Control
If you leave your cruise control on when you’re
not using cruise, you might hit a button and
go
into cruise when you don’t want to. You could
be startled and even lose control. Keep the
cruise control switch
off until you want to use
cruise control.
1. Move the cruise control switch to on
2. Get up to the speed you want.
3. Press in the set button at the end of the lever and
4. Take your foot off the accelerator pedal.
release it. The cruise light
on the instrument panel will illuminate
when the cruise control is engaged.
Resuming a Set Speed
Suppose you set your cruise control at a desired speed
and then you apply the brake or press the clutch
pedal (if equipped). This, of course, disengages the
cruise control. But you don’t need to reset it.
Once you’re going about 25 mph
(40 km/h) or more,
you can move the cruise control switch from on to
resume/accelerate briefly.
You’ll go right back up to your chosen speed and stay
there.
If you hold the switch at resume/accelerate briefly, the
vehicle will keep going faster until you release the switch
or apply the brake.
So unless you want to go faster,
don’t hold the switch at resume/accelerate.
3-9

Increasing Speed While Using Cruise
Control
There are two ways to go to a higher speed:
0
0
Use the accelerator pedal to get to the higher
speed. Press the set button at the end of the lever,
then release the button and the accelerator
pedal. You’ll now cruise at the higher speed.
Move the cruise switch from on to
resume/accelerate. Hold it there until you get up to
the speed you want, and then release the switch.
To increase your speed in very small amounts,
move the switch to resume/accelerate briefly. Each
time you do this, your vehicle will go about
1 mph (1.6 km/h) faster.
Reducing Speed While Using Cruise
Control
Press and hold the set button at the end of the
lever until you reach the lower speed you want, then
release it.
To slow down in very small amounts, press the set
button briefly. Each time you do this, you’ll go
about
1 mph (1.6 km/h) slower.
Passing Another Vehicle While Using
Cruise Control
Use the accelerator pedal to increase your speed.
When you take your foot
off the pedal, your vehicle will
slow down to the cruise control speed you set earlier.
Using Cruise Control on Hills
How well your cruise control will work on hills depends
upon your speed, load and the steepness of the
hills. When going up steep hills, you may want to step
on the accelerator pedal to maintain your speed.
When going downhill, you may have to brake or shift to
a lower gear to keep your speed down. Of course,
applying the brake takes you out of cruise control. Many
drivers find this to be too much trouble and don’t use
cruise control on steep hills.
Ending Cruise Control
There are two ways to turn off the cruise control:
Step lightly on the brake pedal.
Step lightly on the clutch pedal (if equipped).
0 Move the cruise control switch to off.
Erasing Speed Memory
When you turn off the cruise control or the ignition, your
cruise control set speed memory is erased.
3-1 0

Exterior Lamps
The control on the driver’s side of the instrument panel
operates the exterior lamps.
Turn the control clockwise to operate the lamps.
The exterior lamp control has four positions:
0 (OFF): Turning the control to this position turns off
the Daytime Running Lamps (DRL), and the automatic
headlamps. An indicator light will illuminate when
this position is selected. AUTO
(Automatic): Turning the control to this position
puts the system into automatic headlamp mode.
An
indicator light will illuminate when this position is
selected.
:oO: (Parking Lamps): Turning the control to this
position turns on the parking lamps, together with the
following:
Sidemarker Lamps
Taillamps
License Plate Lamps
0 Instrument Panel Lights
Roof Marker Lamps (If Equipped)
$0 (Headlamps): Turning the control to this position
turns on the headlamps, together with the previously
listed lamps and lights.
You can switch your headlamps from high to low-beam
by pushing the turn signal/multifunction lever towards
the instrument panel.
3-1 1