cooling BUICK RAINIER 2006 Owner's Manual

Page 141 of 470

Climate Controls
Dual Automatic Climate Control
System
With this system you can control the heating, cooling
and ventilation for your vehicle. When your vehicle
is rst started and the climate control system is on,
or if the climate control system has been turned on, the
display will show the driver’s temperature setting for
ve seconds. Then it will show the outside temperature.
Outside Air Temperature Display
A new outside temperature reading will be displayed
if the vehicle has been off for more than three hours.
If the vehicle has been off for less than three hours, the
old temperature reading may be displayed because
underhood heat is affecting the true outside temperature.
Since underhood heat can also affect the outside
temperature while the engine is running, it may take
several minutes of driving before the display updates
to the actual outside temperature.
9(Off):Press this button to turn off the entire climate
control system. Outside air will still enter the vehicle,
and will be directed to the oor. Press the AUTO button,
the mode button, the fan arrows, or either temperature
knob to turn the system on.
C(Mode):Press this button to manually select the
air delivery mode to the oor, instrument panel, or
windshield outlets. The system will stay in the selected
mode until the mode button is pressed again or the
AUTO button is pressed.
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Driver’s Side Temperature Knob:Turn this knob
clockwise or counterclockwise to manually raise
or lower the temperature on the driver’s side of the
vehicle. The display will show the temperature setting
decreasing or increasing and an arrow pointing
toward the driver. This knob can also adjust the
passenger’s side temperature setting simultaneously
if the two zones are linked as described in Passenger’s
Side Temperature Knob.
Passenger’s Side Temperature Knob:Turn this
knob clockwise or counterclockwise to manually raise
or lower the temperature on the passenger’s side of
the vehicle. The display will show the temperature
setting decreasing or increasing and an arrow pointing
toward the passenger. The passenger’s temperature
setting can be set to match and link to the driver’s
temperature setting by pressing and holding the
AUTO button for three seconds. Now, by adjusting
the driver’s side temperature setting, the passenger’s
side temperature setting will follow and both arrows
will appear on the display. The passenger’s side
temperature setting also resets and relinks to the driver’s
side temperature setting if the vehicle has been off
for more than three hours.Automatic Operation
AUTO (Automatic):When automatic operation is
active, the system will control the inside temperature,
the air delivery mode, and the fan speed.
Use the steps below to place the entire system in
automatic mode:
1. Press the AUTO button.
When AUTO is selected, the air conditioning
operation and air inlet mode will be automatically
controlled. The air conditioning compressor will run
when the outside temperature is over approximately
40°F (4°C). The air inlet will normally be set to
outside air. If it’s hot outside, the air inlet will
automatically switch to recirculate inside air to help
quickly cool down your vehicle.
2. Set the driver’s and passenger’s temperature.
To nd your comfort setting, start with a 72°F (22°C)
temperature setting and allow about 20 minutes
for the system to regulate. Turn the driver’s or
passenger’s side temperature knob to adjust the
temperature setting as necessary. If you choose the
temperature setting of 60°F (15°C), the system
will remain at the maximum cooling setting. If you
choose the temperature setting of 90°F (32°C),
the system will remain at the maximum heat setting.
Choosing either maximum setting may not cause
the vehicle to heat or cool any faster.
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DRIVER DOOR AJAR
If the driver’s door is not fully closed, this message
will appear on the display and you will hear a chime.
Stop and turn off the vehicle, check the door for
obstacles, and close the door again. Check to see
if the message still appears on the DIC. Press the
select button to acknowledge this message and clear
it from the DIC display.
ENGINE COOLANT HOT/ENGINE
OVERHEATED
Notice:If you drive your vehicle while the engine
is overheating, severe engine damage may occur.
If an overheat warning appears on the instrument
panel cluster and/or DIC, stop the vehicle as soon as
possible. Do not increase the engine speed above
normal idling speed. SeeEngine Overheating
on page 5-26for more information.
If the cooling system temperature gets hot, this message
will appear in the DIC and you will hear a chime. See
Engine Overheating on page 5-26for the proper course
of action. This message will clear when the coolant
temperature drops to a safe operating temperature.
FUEL LEVEL LOW
If the fuel level is low in the vehicle’s gas tank this
message will appear on the DIC and you will hear a
chime. Refuel as soon as possible. Press the select
button to acknowledge this message and clear it from
the DIC display. SeeLow Fuel Warning Light on
page 3-42,Filling the Tank on page 5-8andFuel on
page 5-5for more information.
ICE POSSIBLE
If the outside temperature reaches a level where ice
could form on the roadway, this message may appear
on the DIC. If the temperature rises to a safe level,
the message will clear. Press the select button to
acknowledge this message and clear it from the
DIC display.
KEY FOB # BATTERY LOW
If a remote keyless entry transmitter battery is low,
this message will appear on the DIC. The battery
needs to be replaced in the transmitter. See “Battery
Replacement” underRemote Keyless Entry System
Operation on page 2-5. Press the select button to
acknowledge this message and clear it from the
DIC display.
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Page 282 of 470

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.
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Hill and Mountain Roads
Driving on steep hills or mountains is different from
driving in at or rolling terrain.If you drive regularly in steep country, or if you are
planning to visit there, here are some tips that can make
your trips safer and more enjoyable. SeeOff-Road
Driving on page 4-18for information about driving
off-road.
Keep your vehicle in good shape. Check all uid
levels and also the brakes, tires, cooling system,
and transmission. These parts can work hard
on mountain roads.
{CAUTION:
If you do not shift down, your brakes could
get so hot that they would not work well. You
would then have poor braking or even none
going down a hill. You could crash. Shift down
to let your engine assist your brakes on a
steep downhill slope.
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Page 311 of 470

Driving with a Trailer
{CAUTION:
If you have a rear-most window open and
you pull a trailer with your vehicle, carbon
monoxide (CO) could come into your vehicle.
You cannot see or smell CO. It can cause
unconsciousness or death. SeeEngine
Exhaust on page 2-27. To maximize your
safety when towing a trailer:
Have your exhaust system inspected for
leaks, and make necessary repairs before
starting on your trip.
Keep the rear-most windows closed.
If exhaust does come into your vehicle
through a window in the rear or another
opening, drive with your front, main
heating or cooling system on and with the
fan on any speed. This will bring fresh,
outside air into your vehicle. Do not use
the climate control setting for maximum air
because it only recirculates the air inside
your vehicle. SeeDual Automatic Climate
Control System on page 3-19.Towing a trailer requires a certain amount of experience.
Before setting out for the open road, you’ll want to get
to know your rig. Acquaint yourself with the feel of
handling and braking with the added weight of the trailer.
And always keep in mind that the vehicle you are
driving is now a good deal longer and not nearly as
responsive as your vehicle is by itself.
Before you start, check all trailer hitch parts and
attachments, safety chains, electrical connection, lamps,
tires and mirror adjustment. If the trailer has electric
brakes, start your vehicle and trailer moving and then
apply the trailer brake controller by hand to be sure
the brakes are working. This lets you check your
electrical connection at the same time.
During your trip, check occasionally to be sure that
the load is secure, and that the lamps and any trailer
brakes are still working.
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When You Are Ready to Leave After
Parking on a Hill
1. Apply your regular brakes and hold the pedal down
while you:
start your engine,
shift into a gear, and
release the parking brake.
2. Let up on the brake pedal.
3. Drive slowly until the trailer is clear of the chocks.
4. Stop and have someone pick up and store
the chocks.
Maintenance When Trailer Towing
Your vehicle will need service more often when you’re
pulling a trailer. See the Maintenance Schedule for
more on this. Things that are especially important in
trailer operation are automatic transmission uid
(don’t overll), engine oil, axle lubricant, belt(s), cooling
system and brake system. Each of these is covered
in this manual, and the Index will help you nd
them quickly. If you’re trailering, it’s a good idea to
review these sections before you start your trip.
Check periodically to see that all hitch nuts and
bolts are tight.
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Service............................................................5-3
Accessories and Modications..........................5-3
California Proposition 65 Warning.....................5-4
Doing Your Own Service Work.........................5-4
Adding Equipment to the Outside
of Your Vehicle...........................................5-5
Fuel................................................................5-5
Gasoline Octane............................................5-5
Gasoline Specications....................................5-5
California Fuel...............................................5-6
Additives.......................................................5-6
Fuels in Foreign Countries...............................5-7
Filling the Tank..............................................5-8
Filling a Portable Fuel Container.....................5-10
Checking Things Under the Hood....................5-10
Hood Release..............................................5-11
Engine Compartment Overview.......................5-12
Engine Oil...................................................5-15
Engine Oil Life System..................................5-18
Engine Air Cleaner/Filter................................5-20
Automatic Transmission Fluid.........................5-21
Engine Coolant.............................................5-24
Radiator Pressure Cap..................................5-26
Engine Overheating.......................................5-26Cooling System............................................5-28
Engine Fan Noise.........................................5-34
Power Steering Fluid.....................................5-34
Windshield Washer Fluid................................5-35
Brakes........................................................5-36
Battery........................................................5-39
Jump Starting...............................................5-40
All-Wheel Drive..............................................5-45
Rear Axle.......................................................5-45
Front Axle......................................................5-46
Bulb Replacement..........................................5-47
Halogen Bulbs..............................................5-47
Headlamps, Front Turn Signal, Sidemarker,
and Parking Lamps....................................5-48
Taillamps and Turn Signal Lamps...................5-48
Replacement Bulbs.......................................5-49
Windshield Replacement.................................5-50
Windshield Wiper Blade Replacement..............5-50
Tires..............................................................5-52
Tire Sidewall Labeling...................................5-53
Tire Terminology and Denitions.....................5-56
Ination - Tire Pressure.................................5-58
Section 5 Service and Appearance Care
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A. Engine Air Cleaner/Filter. SeeEngine Air
Cleaner/Filter on page 5-20.
B. Engine Coolant Recovery Tank. SeeCooling System
on page 5-28.
C. Windshield Washer Fluid Reservoir. See “Adding
Washer Fluid” underWindshield Washer Fluid
on page 5-35.
D. Power Steering Fluid Reservoir. SeePower Steering
Fluid on page 5-34.
E. Automatic Transmission Fluid Dipstick (Out of View).
See “Checking the Fluid Level” underAutomatic
Transmission Fluid on page 5-21.
F. Engine Oil Dipstick. See “Checking Engine Oil”
underEngine Oil on page 5-15.G. Radiator Pressure Cap. SeeRadiator Pressure Cap
on page 5-26.
H. Engine Oil Fill Cap. See “When to Add Engine Oil”
underEngine Oil on page 5-15.
I. Remote Negative (−) Terminal (Marked GND).
SeeJump Starting on page 5-40.
J. Brake Master Cylinder Reservoir. See “Brake Fluid”
underBrakes on page 5-36.
K. Battery. SeeBattery on page 5-39.
L. Engine Compartment Fuse Block. SeeEngine
Compartment Fuse Block on page 5-96.
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A. Engine Coolant Recovery Tank. SeeCooling System
on page 5-28.
B. Engine Air Cleaner/Filter. SeeEngine Air
Cleaner/Filter on page 5-20.
C. Windshield Washer Fluid Reservoir. See “Adding
Washer Fluid” underWindshield Washer Fluid
on page 5-35.
D. Engine Oil Dipstick. See “Checking Engine Oil”
underEngine Oil on page 5-15.
E. Automatic Transmission Fluid Dipstick. See
“Checking the Fluid Level” underAutomatic
Transmission Fluid on page 5-21.
F. Engine Oil Fill Cap. See “When to Add Engine Oil”
underEngine Oil on page 5-15.
G. Radiator Pressure Cap. SeeRadiator Pressure Cap
on page 5-26.
H. Remote Negative (−) Terminal (Marked GND).
SeeJump Starting on page 5-40.
I. Power Steering Fluid Reservoir. SeePower Steering
Fluid on page 5-34.
J. Brake Master Cylinder Reservoir. See “Brake Fluid”
underBrakes on page 5-36.
K. Engine Compartment Fuse Block. SeeEngine
Compartment Fuse Block on page 5-96.
L. Battery. SeeBattery on page 5-39.Engine Oil
Checking Engine Oil
It is a good idea to check your engine oil every time you
get fuel. In order to get an accurate reading, the oil
must be warm and the vehicle must be on level ground.
The engine oil dipstick handle is a yellow loop. See
Engine Compartment Overview on page 5-12for
the location of the engine oil dipstick.
1. Turn off the engine and give the oil several minutes
to drain back into the oil pan. If you do not do this,
the oil dipstick might not show the actual level.
2. Pull out the dipstick and clean it with a paper towel
or cloth, then push it back in all the way. Remove it
again, keeping the tip down, and check the level.
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