2003 OLDSMOBILE SILHOUETTE cooling

Liftgate
To unlock the liftgate from the outside, turn the key in
the cylinder clockwise or use the remote keyless
entry transmitter.
To lock the liftgate using the key,
turn the key counterclockwise.
Open the liftgate using the handle located above the
license plate. Once slightly opened, the liftgate will rise
by itself. Lamps
in the rear of the vehicle will come
on, illuminating the rear cargo area. See
lnterior Lamps
on page 3-17.
Notice: Be sure there are no overhead
obstructions, such as a garage door, before you
open the liftgate. You could slam the liftgate
into something and break the
glass.
It can be dangerous to drive w ~~~ the liftgate
open because carbon monoxide
(CO) gas can
come into your vehicle. You can’t see or smell
CO.
It can cause unconsciousness and even
death. If you must drive with the liftgate open
or if electrical wiring or other cable
connections must pass through the seal between the body and the liftgate:
Make sure all other windows are shut.
Turn the fan on your heating or cooling
system to
its highest speed and select the
control setting that will force outside air into your vehicle. See “Comfort Controls”
in the Index.
If you have air outlets on or under the
instrument panel, open them all
the way.
See “Engine Exhaust”
in the Index.
2-22

Climate Controls
Climate Control System
With this system you can control the heating, cooling
and ventilation for your vehicle.
Operation
Turn the right knob clockwise or counterclockwise to
direct the airflow inside of your vehicle. To
change the current mode, select one of the following:
2 (Vent): This mode directs air to the instrument
panel outlets.
+2 (Bi-Level): This mode directs half of the air to the
instrument panel outlets, then directs the remaining
air to the floor outlets. Cooler air is directed to the
upper outlets and warmer air to the floor outlets.
tg (Floor): This mode directs most of the air to the
floor outlets. Use this mode to send air to the rear of the
vehicle. Keep the area under the front seats free of
objects that could obstruct airflow to the rear of the
vehicle.
The right knob can also be used to select defog or
defrost mode. For more information, see “Defogging and
Defrosting” later in this section.
8f? (Fan): Turn the left knob clockwise or
counterclockwise to increase or decrease the fan speed.
?-c!rn the knnh tn OFF tn tL!!-!-! nfF the f3.n. The ?E!!? FLlSt he
turned on for the air conditioning compressor to operate.
3-25

Dual Climate Control System
With this system you can control the heating, cooling
and ventilation for your vehicle.
Operation
Turn the right knob clockwise or counterclockwise to
direct the airflow inside of your vehicle. To
change the current mode, select one of the following:
f;’ (Vent): This mode directs air to the instrument
panel outlets.
+2 (Bi-Level): This mode directs half of the air to the
instrument panel outlets, then directs the remaining
air to the floor outlets. Cooler air is directed
to the
upper outlets and warmer air to the floor outlets.
‘/i (Floor): This mode directs most of the air to the
floor outlets. Use this mode to send air to the rear of the
vehicle. Keep the area under the front seats free of
objects that could obstruct airflow to the rear of the
vehicle.
The right knob can also be used
to select defog or
defrost mode. For more information, see “Defogging and
Defrosting” later in this section.
@ (Fan): Turn the left knob clockwise or
counterclockwise to increase or decrease the fan speed.
Turn the knob to OFF to turn
off the fan. The fan must be
turned on for the air conditioning compressor to operate.
3-28

If you drive regularly in steep country, or if you’re
planning to visit there, here are some tips that can make
your trips safer and more enjoyable.
Keep your vehicle in good shape. Check all fluid
levels and also the brakes, tires, cooling system
and transaxle. These parts can work hard on
mountain roads.
Know how to go down hills. The most important
thing to know is this: let your engine do some
of
the slowing down. Shift to a lower gear when you go
down a steep or Ion-
511.
If you don’t shift down, your brakes could get
so hot that they wouldn’t 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. Coast
...d downhill in NEUTRA- ,.., or with the
ignition
off is dangerous. Your brakes will have
to do
all the work of slowing down. They could
get
so hot that they wouldn’t work well. You
would then have poor braking or even none going down
a hill. You could crash. Always
have your engine running and your vehicle in
gear when you go downhill.
0 Know how to go uphill. You may want to shift down to
a lower gear. The lower gears help cool your engine
and transaxle, and you can climb the hill better.
e Stay in your own lane when driving on two-lane
roads in hills or mountains. Don’t swing wide or cut
across the center of the road. Drive at speeds that let
you stay in your own lane.
- As you go over ihe iop oi a hiii, be aieri. There couia
be something in your lane, like a stalled car or an
accident.
You may see highway signs on mountains that warn
of special problems. Examples are long grades,
passing
or no-passing zones, a falling rocks area or
winding roads. Be alert to these and take appropriate
action.
4-25

Safety Chains
You should always attach chains between your vehicle
and your trailer. Cross the safety chains under the
tongue
of the trailer to help prevent the tongue from
contacting the road
if it becomes separated from
the hitch. Instructions about safety chains may be
provided by the hitch manufacturer or by the
trailer manufacturer. Follow the manufacturer’s
recommendation for attaching safety chains and do not
attach them to the bumper. Always leave just enough
slack
so you can turn with your rig. Never allow
safety chains to drag on the ground.
Trailer Brakes
If your trailer weighs more than 1,000 Ibs. (450 kg)
loaded, then it needs its own brakes
- and they must be
adequate. Be sure to read and follow the instructions
for the trailer brakes
so you’ll be able to install,
adjust and maintain them properly.
Because your vehicle may have anti-lock brakes, do not
try to tap into your vehicle’s brake system.
If you do,
both brake systems won’t work well, or at all.
Driving with a Trailer
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 can’t see or smell
CO. It can cause
unconsciousness or death. See “Engine
Exhaust” in the Index.
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 comfort control setting for maximum air because
it only recirculates the air
inside your vehicle. See ‘“Comfort
Controls” in
the Index.
4-40

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 transaxle fluid (don’t overfill),
engine
oil, belts, cooling system and brake system.
Each of these is covered in this manual, and the
Index will help you find 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.
Trailer Wiring Harness
Your vehicle has a trailer wiring harness located at the
rear of your vehicle.
To use the trailer wiring harness
you need a converter kit. Contact your dealer for more
information.
4-43

Section 5 Service and Appearance Care
Service ............................................................ 5.3
Doing Your Own Service Work
......................... 5.3
Adding Equipment to the Outside
of
Your Vehicle .............................................. 5-4
Fuel
.............................................................. -5-5
Gasoline Octane
............................................ 5-5
Gasoline Specifications
................................... 5-5
California Fuel
............................................... 5-6
Additives
....................... .... ......... 5-6
Fuels in Foreign Countries
........... ..... 5-7
Filling Your Tank
............................ ..... 5-7
Filling a Portable Fuel Container
.................... 5-9
Checking Things Under the
Hood .................. -5-1 0
Hood Release .............................................. 5-10
Engine Compartment Overview ....................... 5-12
Engine Oil
................................................... 5-14
Engine Air CleanedFilter
................................ 5-19
Automatic Transaxle Fluid
.............................. 5-20
Radiator Pressure Cap
............................... 5-26
Engine Overheating
.................................... 5-26
Cooling System
............................. , ....... 5-29
Power Steering Fluid .................. , ....... 5-37
Windshield Washer Fluid
................. , ....... 5-38
Brakes
.......................... .... ........ 5-39
r.--.:.-- ---I-.- b CI lyll IC uuvlal I1 4-LU c r)r) .............................................
Battery ........................................................ 5.43
Jump Starting
............................................... 5-44
All-Wheel Drive
.............................................. 5-50
Bulb Replacement .......................................... 5-52
Halogen Bulbs
.............................. ......... 5-52
Front Turn Signal, Sidemarker and
Taillamps, Turn Signal, Stoplamps and
Headlamps
...................................... ..... 5-52
Parking Lamps
.............................. ..... 5-54
Replacement Bulbs
....................................... 5-57
Back-up Lamps
......................................... 5-56
Windshield Wiper Blade Replacement
.............. 5-58
Tires
.............................................................. 5-60
Inflation
- Tire Pressure ................................ 5-61
Tire Inspection and Rotation
........................... 5-62
When It
Is Time for New Tires ....................... 5-63
Buying New Tires
......................................... 5-64
Uniform Tire Quality Grading
.......................... 5-65
Wheel Alignment and Tire Balance
.................. 5-66
Wheel Replacement
...................................... 5-66
Tire Chains
.................................................. 5-67
Accessory Inflator
......................................... 5-68
If a Tire Goes Flat ........................................ 5-69
Changing a Flat Tire ..................................... 5-70
Compact Spare Tire ...................................... 5-86
5- 1

Engine Coolant
The cooling system in your vehicle is filled with
DEX-COOL@ engine coolant. This coolant is designed
to remain in your vehicle for 5 years or 150,000 miles
(240
000 km), whichever occurs first, if you add
only DEX-COOL@ extended life coolant.
The following explains your cooling system and how to
add coolant when it is low.
If you have a problem
with engine overheating, see
Engine Overheating on
page
5-26.
A 5060 mixture of clean, drinkable water and
DEX-COOL@ coolant will:
Give freezing protection down to -34°F (-37°C).
Give boiling protection up to 265°F
(129°C).
0 Protect against rust and corrosion.
Help keep the proper engine temperature.
Let the warning messages and gages work as they
should.
Notice: When adding coolant, it is important that
you use only
DEX-COOL@ (silicate-free) coolant.
If coolant other than DEX-COOL@ is added to
the system, premature engine, heater core or
radiator corrosion may result. In addition, the engine
coolant will require change sooner
-- at 30,000 miles
(50,000 km) or 24 months, whichever occurs first.
Damage caused by the use
of coolant other
than DEX-COOL@
is not covered by your new
vehicle warranty.
5-23