2006 PONTIAC GRAND PRIX engine

PASS-Key®III Operation
The vehicle is equipped
with PASS-Key®III
(Personalized Automotive
Security System)
theft-deterrent system.
PASS-Key
®III is a passive
theft-deterrent system.
This means nothing special
needs to be done to arm
or disarm the system.
It works when the key is
inserted or removed
from the ignition.
PASS-Key
®III uses a transponder in the ignition key
that matches a decoder in the vehicle.
When the PASS-Key
®III system senses that the wrong
key has been inserted into the ignition, it shuts down
the vehicle’s starter and fuel systems. The starter will not
work and fuel will stop owing to the engine. If
someone tries to start the vehicle again with the wrong
key, the vehicle will not start. Anyone using a
trial-and-error method to start the vehicle will be
discouraged to do so because of the high number of
electrical key codes.When trying to start the vehicle, if the engine does not
start and the STARTING DISABLED DUE TO THEFT
SYSTEM warning message on the Driver Information
Center (DIC) comes on, the key may have a damaged
transponder. Turn the ignition off and try again.
If the engine still does not start, and the key appears to
be undamaged, try another ignition key. At this time,
you may also want to check the fuse. SeeFuses
and Circuit Breakers on page 5-112. If the engine still
does not start with the other key, the vehicle needs
service. If the vehicle does start, the rst key may be
faulty. See your dealer who can service the
PASS-Key
®III to have a new key made. In an
emergency, contact Roadside Assistance. SeeRoadside
Assistance Program on page 7-6for more information.
It is possible for the PASS-Key
®III decoder to accept
the transponder value of a new or replacement key. Up
to 10 keys may be programmed for the vehicle. If all
the programmed keys are lost or do not operate,
see your GM dealer or a locksmith who can service
PASS-Key
®III to have keys made and programmed to
the system.
Canadian Owners: If all the keys are lost or damaged,
only a GM dealer can service PASS-Key
®III to have
new keys made and programmed to the system.
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The following procedure is for programming a new or
replacement key when you have at least one already
programmed key. To program the new key do the
following:
1. Verify that the new key has PK3 stamped on it.
2. Insert the master key in the ignition and start
the engine. If the engine will not start, see your
dealer for service.
3. After the engine has started, turn the key to OFF,
and remove the key.
4. Insert the key to be programmed and turn it to RUN
within ve seconds of removing the original key.
5. The STARTING DISABLED DUE TO THEFT
SYSTEM warning message on the DIC will turn off,
once the key has been programmed. It may not be
apparent that the SERVICE THEFT SYSTEM
warning message went on due to how quickly the key
is programmed.
6. Repeat Steps 1 through 5 if additional keys are to
be programmed.
If the STARTING DISABLED DUE TO THEFT SYSTEM
warning message appears and stays on the DIC while the
vehicle is being driven, the engine will be able to be
restarted if it is turned off. Your PASS-Key
®III system,
however, is not working properly and must be serviced by
your dealer. The vehicle is not protected by the
PASS-Key
®III system at this time. If the PASS-Key®III
key is lost or stolen, see your dealer or a locksmith who
can service PASS-Key
®III to have a new key made.
Starting and Operating Your
Vehicle
New Vehicle Break-In
Notice:Your vehicle does not need an elaborate
break-in. But it will perform better in the long run if
you follow these guidelines:
Do not drive at any one constant speed, fast or
slow, for the rst 500 miles (805 km). Do not
make full-throttle starts. Avoid downshifting to
brake, or slow, the vehicle.
Avoid making hard stops for the rst 200 miles
(322 km) or so. During this time your new brake
linings are not yet broken in. Hard stops with new
linings can mean premature wear and earlier
replacement. Follow this breaking-in guideline
every time you get new brake linings.
Do not tow a trailer during break-in. SeeTowing a
Trailer on page 4-40for the trailer towing
capabilities of your vehicle and more
information.
Following break-in, engine speed and load can be
gradually increased.
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Ignition Positions
The ignition switch is located on the instrument panel, to
the right of the steering column.
There are four different
positions. Insert the
key in the ignition and
turn it to the right for
each position.
9(OFF):This position locks the ignition, steering
wheel and transaxle. It is a theft-deterrent feature. This is
the only position from which the key can be removed.
Notice:Using a tool to force the key from the
ignition switch could cause damage or break the
key. Use the correct key and turn the key only with
your hand. Make sure the key is all the way in. If
it is, turn the steering wheel left and right while you
turn the key hard. If none of this works, then
your vehicle needs service.ACC (ACCESSORY):This position allows things like
the radio and windshield wipers to operate while
the engine is off.
R(RUN):This position is where the key returns to
after the vehicle is started. With the engine off, the
RUN position displays some of the warning and
indicator lights.
/(START):This position starts the engine. Let go of
the key when the engine starts. The key will return
to the RUN for normal driving.
A continuous warning chime will sound and a KEY IN
IGNITION message will display on the Driver Information
Center (DIC) if the key is turned to OFF or ACC and
the driver’s door is opened.
Retained Accessory Power (RAP)
If the vehicle has Retained Accessory Power (RAP),
certain features will continue to operate for up to
10 minutes after the ignition key is turned to OFF unless
a door is opened.
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Starting the Engine
Move your shift lever to PARK (P) or NEUTRAL (N).
The engine will not start in any other position — that is
a safety feature. To restart when you are already
moving, use NEUTRAL (N) only.
Notice:Shifting into PARK (P) with the vehicle
moving could damage the transaxle. Shift into
PARK (P) only when your vehicle is stopped.
1. With your foot off the accelerator pedal, turn the
ignition key to START. When the engine starts,
let go of the key. The idle speed will go down as the
engine gets warm.
Notice:Holding your key in START for longer than
15 seconds at a time will cause your battery to
be drained much sooner. And the excessive heat
can damage your starter motor. Wait about
15 seconds between each try to help avoid draining
your battery or damaging your starter.
2. If the engine does not start within 10 seconds, hold
your key in START for about 10 seconds at a time
until the engine starts. Wait about 15 seconds
between each try.When your engine has run for about 10 seconds to
warm up, your vehicle is ready to be driven. Do
not race your engine when it is cold.
If the weather is below freezing (32°F or 0°C), let
the engine run for a few minutes to warm up.
3. If your engine still will not start, or starts but then
stops, it could be ooded with too much gasoline.
Try pushing your accelerator pedal all the way to the
oor and holding it there as you hold the key in
START for about three seconds. If the vehicle starts
briey but then stops again, do the same
thing. This time keep the pedal down for ve or
six seconds to clear the extra gasoline from
the engine. After waiting about 15 seconds, repeat
the normal starting procedure.
Notice:Your engine is designed to work with the
electronics in your vehicle. If you add electrical
parts or accessories, you could change the way the
engine operates. Before adding electrical equipment,
check with your dealer. If you do not, your engine
might not perform properly. Any resulting damage
would not be covered by your vehicle’s warranty.
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Engine Coolant Heater
The vehicle may be equipped with an engine coolant
heater. In very cold weather, 0°F (−18°C) or colder, the
engine coolant heater can help. The vehicle will start
easier and get better fuel economy during engine
warm-up. Usually, the coolant heater should be plugged
in a minimum of four hours prior to starting the
vehicle. At temperatures above 32°F (0°C), use of the
coolant heater is not required. Your vehicle may
also have an internal thermostat in the plug end of the
cord. This will prevent operation of the engine coolant
heater when the temperature is at or above 0°F (−18°C)
as noted on the cord.
To Use the Engine Coolant Heater
1. Turn off the engine.
2. Open the hood and unwrap the electrical cord. The
cord is located above the engine air cleaner/lter.
SeeEngine Compartment Overview on page 5-12
for more information on location.
3. Plug the cord into a normal, grounded 110-volt
AC outlet.
{CAUTION:
Plugging the cord into an ungrounded outlet
could cause an electrical shock. Also, the
wrong kind of extension cord could overheat
and cause a re. You could be seriously
injured. Plug the cord into a properly grounded
three-prong 110-volt AC outlet. If the cord will
not reach, use a heavy-duty three-prong
extension cord rated for at least 15 amps.
4. Before starting the engine, be sure to unplug and
store the cord as it was before, making sure to
keep it away from moving engine parts. If this is not
done, the cord could be damaged.
How long should the coolant heater be kept plugged in?
The answer depends on the outside temperature, the
kind of oil that is in the vehicle, and some other things.
Instead of trying to list everything here, we ask that
you contact your dealer in the area where the vehicle will
be parked. The dealer can give you the best advice
for that particular area.
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Displacement on Demand™ (DoD™)
(5.3L Engine)
Your vehicle’s engine may be equipped with
Displacement on Demand™ (DoD™). This system
allows the engine to operate on either all or half of its
cylinders, depending on your driving conditions.
When less power is required, such as cruising at a
constant vehicle speed, the system will operate in the
half cylinder mode, allowing your vehicle to achieve
better fuel economy. When greater power demands are
required, such as accelerating from a stop, passing,
or merging onto a freeway, the system will maintain
full-cylinder operation.
When greater power demands are required, such as
accelerating from a stop, passing, or merging onto
a freeway, the system will maintain eight-cylinder
operation. When less power is required, such a
cruising at a constant vehicle speed, the system will
automatically enable the four-cylinder mode, allowing
your vehicle to achieve better fuel economy.
Automatic Transaxle Operation
The shift lever for the automatic transaxle is located on
the console between the seats.
Maximum engine speed is limited when the vehicle is in
PARK (P) or NEUTRAL (N) to protect driveline
components from improper operation.
There are several different
positions for the shift lever.
3800 V6 Engine
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PARK (P):This position locks the front wheels. It is the
best position to use when the engine is started
because the vehicle cannot move easily.
{CAUTION:
It is dangerous to get out of your vehicle if the
shift lever is not fully in PARK (P) with the
parking brake rmly set. Your vehicle can roll.
Do not leave your vehicle when the engine is
running unless you have to. If you have left the
engine running, the vehicle can move
suddenly. You or others could be injured. To
be sure your vehicle will not move, even when
you are on fairly level ground, always set your
parking brake and move the shift lever to
PARK (P). SeeShifting Into Park (P) on
page 2-31. If you are pulling a trailer, see
Towing a Trailer on page 4-40.
Make sure the shift lever is fully in PARK (P) before
starting the engine. The vehicle has an automatic
transaxle shift lock control system.The regular brakes must be fully applied and the shift
control button, located on the front of the shift lever,
must be pressed before the vehicle can be shifted from
PARK (P) when the ignition is in RUN. If the vehicle
cannot be shifted out of PARK (P), ease pressure on the
shift lever by pushing it all the way into PARK (P)
while keeping the brake pedal pushed down. Release
the shift lever button. Then move the shift lever out
of PARK (P), being sure to press the shift lever button.
SeeShifting Out of Park (P) on page 2-32.
REVERSE (R):Use this gear to back up.
Notice:Shifting to REVERSE (R) while your vehicle
is moving forward could damage the transaxle. The
repairs would not be covered by your warranty. Shift
to REVERSE (R) only after your vehicle is stopped.
To rock the vehicle back and forth to get out of snow, ice
or sand without damaging the transaxle, seeIf Your
Vehicle is Stuck in Sand, Mud, Ice or Snow on
page 4-32.
NEUTRAL (N):In this position, the engine does not
connect with the wheels. To restart when the vehicle is
already moving, use NEUTRAL (N) only. Also, use
NEUTRAL (N) when the vehicle is being towed.
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{CAUTION:
Shifting into a drive gear while your engine is
running at high speed is dangerous. Unless
your foot is rmly on the brake pedal, your
vehicle could move very rapidly. You could
lose control and hit people or objects. Do not
shift into a drive gear while your engine is
running at high speed.
Notice:Shifting out of PARK (P) or NEUTRAL (N)
while the engine is running at high speed may
damage the transaxle. The repairs would not be
covered by your warranty. Be sure the engine is not
running at high speeds when shifting your vehicle.
AUTOMATIC OVERDRIVE (D):This position is for
normal driving. If the vehicle needs more power
for passing, and it is:
Going less than 35 mph (55 km/h), push the
accelerator pedal about halfway down.
Going about 35 mph (55 km/h) or more, push the
accelerator pedal all the way down.The vehicle will shift down to the next gear and have
more power.
Notice:If your vehicle seems to start up rather
slowly or not shift gears when you go faster, and
you continue to drive your vehicle that way, you
could damage the transaxle. Have your vehicle
serviced right away. You can drive in SECOND (2)
when you are driving less than 35 mph (55 km/h) and
AUTOMATIC OVERDRIVE (D) for higher speeds
until then.
THIRD (3):This position is also used for normal driving,
but it offers more power and lower fuel economy than
AUTOMATIC OVERDRIVE (D).
Here are some times THIRD (3) could be used instead
of AUTOMATIC OVERDRIVE (D):
When driving on hilly, winding roads.
When towing a trailer, so there is less shifting
between gears.
When going down a steep hill.
When driving in non-highway scenarios (i.e. city
streets, etc.).
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