engine GMC SAVANA 2009 User Guide

R (Reverse):Use this gear to back up.
Notice:Shifting to R (Reverse) while the vehicle is
moving forward could damage the transmission.
The repairs would not be covered by the vehicle
warranty. Shift to R (Reverse) only after the vehicle
is stopped.
To rock the vehicle back and forth to get out of snow,
ice or sand without damaging the transmission, see
If Your Vehicle is Stuck in Sand, Mud, Ice, or Snow on
page 4-17.
N (Neutral):In this position, the engine does not
connect with the wheels. To restart the engine when the
vehicle is already moving, use N (Neutral) only. Also,
use N (Neutral) when the vehicle is being towed.
{CAUTION:
Shifting into a drive gear while the engine is
running at high speed is dangerous. Unless your
foot is firmly on the brake pedal, the vehicle could
move very rapidly. You could lose control and hit
people or objects. Do not shift into a drive gear
while the engine is running at high speed.Notice:Shifting out of P (Park) or N (Neutral) with
the engine running at high speed may damage
the transmission. The repairs would not be covered
by the vehicle warranty. Be sure the engine is
not running at high speed when shifting the vehicle.
D (Drive):This position is for normal driving. It
provides the best fuel economy. If you need more
power for passing, and you are:
•Going less than about 35 mph (55 km/h), push the
accelerator pedal about halfway down.
•Going about 35 mph (55 km/h) or more, push the
accelerator all the way down.
You will shift down to the next gear and have more
power.
Downshifting the transmission in slippery road conditions
could result in skidding, see “Skidding” underLoss of
Control on page 4-10.
3 (Third):This position is also used for normal driving.
However it reduces vehicle speed more than D (Drive)
without using the brakes. You might choose 3 (Third)
instead of D (Drive) when driving on hilly, winding roads,
when towing a trailer, so there is less shifting between
gears and when going down a steep hill.
You should use 3 (Third) (or a lower gear as needed)
when towing a trailer to minimize heat build-up and
extend the life of the transmission.
2-24

While activated, the
indicator light on the
instrument panel will
be on.
Tow/haul mode will turn off automatically when the
ignition is turned off. SeeTow/Haul Mode Light
on page 3-41.
Tow/haul is most effective when the vehicle and trailer
combined weight is at least 75 percent of the vehicle’s
Gross Combined Weight Rating (GCWR). See “Weight
of the Trailer” later in this section.
Driving with tow/haul activated without a heavy load will
cause reduced fuel economy and unpleasant engine
and transmission driving characteristics, but will
not cause damage.Parking Brake
To set the parking brake, hold the regular brake pedal,
then push down the parking brake pedal.
If the ignition is on, the brake system warning light will
come on.
2-26

To release the parking brake, hold the regular brake
pedal down. Pull the handle, located just above the
parking brake pedal, with the parking brake symbol, to
release the parking brake.
If the ignition is on when the parking brake is released,
the brake system warning light will go off.
Notice:Driving with the parking brake on can
overheat the brake system and cause premature
wear or damage to brake system parts. Verify that
the parking brake is fully released and the brake
warning light is off before driving.
If you are towing a trailer and are parking on a hill, see
Towing a Trailer on page 4-26.Shifting Into Park
{CAUTION:
It can be dangerous to get out of the vehicle if the
shift lever is not fully in P (Park) with the parking
brake firmly set. The vehicle can roll. If you have
left the engine running, the vehicle can move
suddenly. You or others could be injured. To be
sure the vehicle will not move, even when you are
on fairly level ground, use the steps that follow. If
you are pulling a trailer, seeTowing a Trailer on
page 4-26.
1. Hold the brake pedal down and set the parking
brake. SeeParking Brake on page 2-26.
2. Move the shift lever into P (Park) by pulling the
shift lever toward you and moving it up as far as
it will go.
3. Turn the ignition key to LOCK/OFF.
4. Remove the key and take it with you. If you can
leave the vehicle with the ignition key in your
hand, the vehicle is in P (Park).
2-27

Leaving the Vehicle With the Engine
Running
{CAUTION:
It can be dangerous to leave the vehicle with the
engine running. The vehicle could move suddenly if
the shift lever is not fully in P (Park) with the parking
brake firmly set. And, if you leave the vehicle with
the engine running, it could overheat and even
catch fire. You or others could be injured. Do not
leave the vehicle with the engine running.
If you have to leave the vehicle with the engine running,
be sure the vehicle is in P (Park) and the parking brake is
firmly set before you leave it. After you move the shift
lever into P (Park), hold the regular brake pedal down.
Then, see if you can move the shift lever away from
P (Park) without first pulling it toward you. If you can, it
means that the shift lever was not fully locked into
P (Park).
Torque Lock
If you are parking on a hill and you do not shift the
vehicle into P (Park) properly, the weight of the vehicle
may put too much force on the parking pawl in the
transmission. You may find it difficult to pull the shift
lever out of P (Park). This is called torque lock. To
prevent torque lock, set the parking brake and then shift
into P (Park) properly before you leave the driver
seat. To find out how, seeShifting Into Park on
page 2-27.
When you are ready to drive, move the shift lever out of
P (Park) 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 P (Park).
2-28

Engine Exhaust
{CAUTION:
Engine exhaust and fuel operated heater exhaust
can kill. It contains the gas carbon monoxide (CO),
which you cannot see or smell. It can cause
unconsciousness and death. If your vehicle has a
diesel engine and a fuel operated heater, see
“Fuel Operated Heater (FOH)” in the diesel engine
supplement.
You might have exhaust coming in if:
•The exhaust system sounds strange or
different.
•Your vehicle gets rusty underneath.
•Your vehicle was damaged in a collision.
CAUTION: (Continued)
CAUTION: (Continued)
•
Your vehicle was damaged when driving over
high points on the road or over road debris.
•Repairs were not done correctly.
•Your vehicle or the exhaust system has been
modified improperly.
If you ever suspect exhaust is coming into your
vehicle:
•Drive it only with all the windows down to
blow out any CO.
•Have your vehicle fixed immediately.
2-30

Running the Vehicle While Parked
It is better not to park with the engine running. But if you
ever have to, here are some things to know.
{CAUTION:
Idling a vehicle in an enclosed area with poor
ventilation is dangerous. Engine exhaust may
enter the vehicle. Engine exhaust contains Carbon
Monoxide (CO) which cannot be seen or smelled.
It can cause unconsciousness and even death.
Never run the engine in an enclosed area that has
no fresh air ventilation. For more information, see
Engine ExhaustEngine Exhaust on page 2-30.
{CAUTION:
It can be dangerous to get out of the vehicle if the
automatic transmission shift lever is not fully in
P (Park) with the parking brake firmly set. The
vehicle can roll. Do not leave the 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 the vehicle will not move, even when you are
on fairly level ground, always set the parking
brake and move the shift lever to P (Park).
Follow the proper steps to be sure the vehicle will not
move. SeeShifting Into Park on page 2-27.
If parking on a hill and pulling a trailer, seeTowing a
Trailer on page 4-26.
2-31

Instrument Panel Overview...............................3-4
Hazard Warning Flashers................................3-6
Horn .............................................................3-6
Tilt Wheel.....................................................3-6
Turn Signal/Multifunction Lever.........................3-7
Turn and Lane-Change Signals........................3-7
Headlamp High/Low-Beam Changer..................3-8
Flash-to-Pass.................................................3-8
Windshield Wipers..........................................3-8
Windshield Washer.........................................3-9
Cruise Control..............................................3-10
Exterior Lamps.............................................3-13
Headlamps on Reminder................................3-14
Daytime Running Lamps (DRL).......................3-15
Automatic Headlamp System..........................3-15
Instrument Panel Brightness...........................3-16
Dome Lamps ...............................................3-16
Dome Lamp Override....................................3-16
Entry/Exit Lighting.........................................3-17
Reading Lamps............................................3-17
Electric Power Management...........................3-17
Battery Run-Down Protection..........................3-18
Accessory Power Outlet(s).............................3-18
Ashtray(s) and Cigarette Lighter......................3-19Climate Controls............................................3-19
Climate Control System.................................3-19
Outlet Adjustment.........................................3-21
Rear Heating System....................................3-22
Rear Air Conditioning and Heating
System....................................................3-23
Warning Lights, Gages, and Indicators............3-24
Instrument Panel Cluster................................3-25
Speedometer and Odometer...........................3-26
Trip Odometer..............................................3-26
Safety Belt Reminders...................................3-27
Airbag Readiness Light..................................3-27
Airbag Off Light............................................3-28
Passenger Airbag Status Indicator...................3-30
Charging System Light..................................3-31
Voltmeter Gage............................................3-32
Brake System Warning Light..........................3-33
Antilock Brake System (ABS) Warning
Light........................................................3-34
StabiliTrak
®Indicator Light.............................3-34
Engine Coolant Temperature Gage..................3-35
Tire Pressure Light.......................................3-35
Malfunction Indicator Lamp.............................3-36
Oil Pressure Gage........................................3-39
Section 3 Instrument Panel
3-1

The main components of the instrument panel are the following:
A.Outlet Adjustment on page 3-21.
B.Driver Information Center (DIC) on page 3-43.
C.Turn Signal/Multifunction Lever on page 3-7.
D.Hazard Warning Flashers on page 3-6.
E.Instrument Panel Cluster on page 3-25.
F. Shift Lever. SeeStarting the Engine on page 2-20.
G.Climate Control System on page 3-19.
H.Audio System(s) on page 3-65.
I.Exterior Lamps on page 3-13.
J.Instrument Panel Brightness on page 3-16.
K.Cruise Control on page 3-10. Fast Idle System
(If Equipped). See Duramax Diesel Manual for more
information.L.Tilt Wheel on page 3-6.
M.Horn on page 3-6.
N.Audio Steering Wheel Controls on page 3-85.
O. Tow/Haul Mode Button. See “Tow/Haul Mode” under
Towing a Trailer on page 4-26.
P.Accessory Power Outlet(s) on page 3-18and
Ashtray(s) and Cigarette Lighter on page 3-19.
Q.StabiliTrak
®System on page 4-6(If Equipped).
R.Airbag Off Switch on page 1-68.
S.Storage Areas on page 2-34.
T.Passenger Airbag Status Indicator on page 3-30.
U.Rear Heating System on page 3-22(If Equipped).
3-5

Entry/Exit Lighting
The vehicle has an illuminated entry/exit feature.
The dome lamps come on if the dome override button is
in the out position, when a door is opened or the key
is removed from the ignition.
Reading Lamps
For vehicles with reading lamps, press the button
located next to each lamp to turn it on or off.
The vehicle may also have reading lamps in other
locations. The lamps cannot be adjusted.
Electric Power Management
The vehicle has Electric Power Management (EPM) that
estimates the battery’s temperature and state of charge.
It then adjusts the voltage for best performance and
extended life of the battery.When the battery’s state of charge is low, the voltage is
raised slightly to quickly put the charge back in. When the
state of charge is high, the voltage is lowered slightly to
prevent overcharging. If the vehicle has a voltmeter gage
or voltage display on the Driver Information Center (DIC),
you may see the voltage move up or down. This is
normal. If there is a problem, an alert will be displayed.
The battery can be discharged at idle if the electrical
loads are very high. This is true for all vehicles. This is
because the generator (alternator) may not be spinning
fast enough at idle to produce all the power that is
needed for very high electrical loads.
A high electrical load occurs when several of the
following loads are on: headlamps, high beams, rear
window defogger, climate control fan at high speed,
engine cooling fans, trailer loads, and loads plugged into
accessory power outlets.
EPM works to prevent excessive discharge of the battery.
It does this by balancing the generator’s output and the
vehicle’s electrical needs. It can increase engine idle
speed to generate more power, whenever needed.
3-17

Rear Window Defogger
For vehicles with a rear window defogger, a warming
grid is used to remove fog or frost from the rear window.
It only works when the ignition is in ON/RUN.
<(Rear Window Defogger):Press to turn the rear
window defogger on or off.
The rear window defogger turns off several minutes after
the button is pressed. If turned on again, the defogger will
run for several more minutes before turning off. The
defogger can also be turned off by turning off the engine.
Do not drive the vehicle until all the windows are clear.
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.
Outlet Adjustment
Use the outlets located near the center and on the sides
of the instrument panel to change the direction of airflow.
Operation Tips
•Clear away any ice, snow or leaves from the air
inlets at the base of the windshield that may
block the flow of air into your vehicle.
•Use of non-GM approved hood deflectors may
adversely affect the performance of the system.
•Keep the path under the front seats clear of objects
to help circulate the air inside of your vehicle more
effectively.
3-21