ignition GMC SONOMA 2003 Owner's Guide

Page 104 of 424

Parking Brake
The parking brake is located near the bottom of the
instrument panel on the driver’s side of the vehicle.
To set the parking brake, hold the regular brake pedal
down with your right foot. Push down the parking
brake pedal with your left foot. If the ignition is on, the
brake system warning light will come on.
Notice:Driving with the parking brake on can
cause your rear brakes to overheat. You may have
to replace them, and you could also damage
other parts of your vehicle.
To release the parking brake, hold the regular brake
pedal down. Pull the BRAKE RELEASE lever fully.
It is located on the bottom off the instrument panel on
the driver’s side of the vehicle.If you are towing a trailer and you must park on a hill,
seeTowing a Trailer on page 4-51. That section
shows what to dofirst to keep the trailer from moving.
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•Move the lever up as far as it will go.
3. Turn the ignition key to LOCK.
4. Remove the key and take it with you. If you can
leave your vehicle with the key, your vehicle is in
PARK (P).
Leaving Your Vehicle With the Engine
Running
{CAUTION:
It can be dangerous to leave your vehicle with
the engine running. Your vehicle could move
suddenly if the shift lever is not fully in
PARK (P) with the parking brakefirmly set.
And, if you leave the vehicle with the engine
running, it could overheat and even catchfire.
You or others could be injured. Don’t leave
your vehicle with the engine running.
If you have to leave your vehicle with the engine
running, be sure your vehicle is in PARK (P) and your
parking brake isfirmly set before you leave it. After
you’ve moved the shift lever into PARK (P), hold
the regular brake pedal down. Then, see if you can
move the shift lever away from PARK (P) withoutfirst
pulling it toward you. If you can, it means that the
shift lever wasn’t fully locked into PARK (P).
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Torque Lock
If you are parking on a hill and you don’t shift your
transmission into PARK (P) properly, the weight of the
vehicle may put too much force on the parking pawl in the
transmission. You mayfind it difficult to pull the shift lever
out of PARK (P). This is called“torque lock”To prevent
torque lock, set the parking brake and then shift into
PARK (P) properly before you leave the driver’s seat.
Tofind out how, seeShifting Into Park (P) on page 2-33.
When you are ready to drive, move the shift lever out of
PARK (P) before you release the parking brake.
If torque lock does occur, you may need to have another
vehicle push yours a little uphill to take some of the
pressure from the parking pawl in the transmission,
so you can pull the shift lever out of PARK (P).
Shifting Out of Park (P)
Your vehicle has an automatic transmission shift lock
control system. You have to fully apply the regular
brakes before you can shift from PARK (P) when the
ignition is in RUN. SeeAutomatic Transmission
Operation on page 2-25.
If you cannot shift out of PARK (P), ease pressure on
the shift lever–push the shift lever all the way into
PARK (P) as you maintain brake application. Then move
the shift lever into the gear you want. You must press
the shift lever button on the shift lever.
If you ever hold the brake pedal down but still can’t shift
out of PARK (P), try this:
1. Turn the key to OFF.
2. Apply and hold the brake until the end of Step 4.
3. Shift the transmission to NEUTRAL (N).
4. Start the vehicle and then shift to the drive gear
you want.
5. Have the vehiclefixed as soon as possible.
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Parking Your Vehicle
If you have a manual transmission, before you get out
of your vehicle, move the shift lever into REVERSE (R),
andfirmly apply the parking brake. Once the shift
lever has been placed into REVERSE (R) with the clutch
pedal pressed in, you can turn the ignition key to
OFF, remove the key and release the clutch.
If you are parking on a hill, or if your vehicle is pulling a
trailer, seeTowing a Trailer on page 4-51.
Parking Over Things That Burn
{CAUTION:
Things that can burn could touch hot exhaust
parts under your vehicle and ignite. Don’t park
over papers, leaves, dry grass or other things
that can burn.
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Page 116 of 424

7. Now, with the
compartment door
closed, press the
button again to make
sure the garage
door operates
properly.
With the garage door opener positioned properly and
the right number of pegs in place, you should only have
to press the button lightly to operate the opener.
Adjust the position of the garage door opener and add
or remove pegs, as needed, until the opener operates
properly.Temperature and Compass Display
The outside air temperature and the compass are
displayed at the front of the overhead console. The
control buttons are located to the left of the display.
ON/OFF:Turn the display on or off by pressing
this button.
US/MET:When this button is pressed, the temperature
will be displayed in either degrees Farenheit (English)
or Celsius (metric).
Before you turn on the ignition and move the vehicle,
the temperature indicated will be the last outside
temperature recorded with the ignition on.
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If the outside temperature is 37°F(3°C) or lower when
you turn on the ignition, the word ICE will appear
on the display. This is a warning to the driver that road
conditions may be icy, and that appropriate precautions
should be taken.
The compass is self-calibrating, so it does not need to
be manually set. However, when your vehicle is new, the
compass may function erratically. If it does, CAL
(Calibration) will appear on the display. To correct the
calibration, drive in a complete 360°circle three
times and the compass will function normally.
Variance is the different between magnetic north and
geographic north. In some areas, the difference between
the two can be great enough to cause false compass
readings. If this happens, follow these instructions to set
the variance for your particular location:
1. Find your location on the zone map. Record your
zone number.
2. Press and hold both the ON/OFF and the US/MET
buttons. The display will go off.
3. Afterfive seconds, VAR CAL (Variance Calibration)
will appear on the display. When it does, release
both buttons.
4. Press US/MET until your zone number appears on
the display.
5. Press ON/OFF to enter your zone number. Your
variance is now set.
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Sunglasses Storage Compartment
The overhead console has a sunglasses storage
compartment.
Driver Information Center (DIC)
If your vehicle is equipped with a Driver Information
Center (DIC), this system displays the outside air
temperature, compass direction and trip information in
the overhead console.
US/MET (United States/Metric):The US/MET (United
States/metric) button allows you to switch the display
between the English and metric system.
MODE:The MODE button can be used to toggle
between three modes of operation: OFF, COMP/TEMP
and TRIP.
COMP/TEMP/TRIP (Compass/Temperature):The
display provides the outside temperature and one
of eight compass readings to indicate the direction the
vehicle is facing.
Before you turn on the ignition and move the vehicle,
the temperature indicated will be the last outside
temperature recorded with the ignition on. If the outside
temperature is 37°F(3°C) or lower, the display will
toggle between the ICE and the current temperature
every eight seconds. This is a warning to the drive that
road conditions may be icy, and that appropriate
precautions should be taken.
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Bed Rails
{CAUTION:
If your vehicle has bed rails, they are there for
appearance only. If you try to tie down a load
with them, or to secure things in your truck,
not only can it damage the bed rails, but the
load can loosen. This could cause injury to
you or others. Secure loads by using the cargo
tie-down loops, inside the truck bed area.
Sunroof
If your vehicle has a
sunroof, the switch is
located between the
sun visors.
The sunroof switch will only work when the ignition is on
or when the ignition is off and retained accessory
power is active. See“Retained Accessory Power”under
Ignition Positions on page 2-20for more information.
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Use this memory function to save your seat cushion and
seatback settings by using the following procedure:
1. Adjust the driver’s seat to a safe and comfortable
driving position.
2. Press the SET button and then press and hold
button 1 (for Driver 1) for three seconds. A chime
will sound to let you know that the position has been
stored.
A second seating can be programmed by repeating
the procedure with a second driver and pressing
button 2 for three seconds.
When your vehicle is in PARK (P) for an automatic
transmission or the parking brake is engaged for
a manual transmission, press and release the numbered
memory button you just stored. The seat will move to
the set position. You will hear one chime.
Pressing the UNLOCK button of a keyless entry
transmitter will adjust the seat to the corresponding
stored memory position. You will hear one chime.Repeat Steps 1 and 2 to readjust the seat. The
transmitter need not be reprogrammed unless it needs
to correspond to the other numbered memory button.
If there is a third driver, use the seat adjuster switch to
adjust the seat.
Pressing any of the seat adjuster switches, the SET
button or pressing the desired memory button twice will
cause the seat to stop moving.
If you press the numbered button to adjust the seat and
start the vehicle while the seat is still adjusting,
adjustment will pause while the ignition is in START.
Adjustment will resume after the ignition is in RUN.
Setting the seat memory function for a particular driver
will also personalize the radio station presets that have
been selected. Each time the driver sets this function, the
respective radio station presets will also be retained.
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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
driversnd 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 or push the clutch
pedal, if you have a manual transmission.
If you have an automatic transmission and you
apply your brakes, the cruise control will shut off.
Move the cruise switch to OFF.
Erasing Speed Memory
When you turn off the cruise control or the ignition, your
cruise control set speed memory is erased.
Exterior Lamps
The control on the driver’s side of the instrument panel
operates the exterior lamps.
The exterior lamp control has three positions:
9(Off):Turn the exterior lamps control all the way
counterclockwise to turn off the lamps and put the
system in automatic headlamp mode.
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