oil additives OLDSMOBILE SILHOUETTE 2003 Owners Manual

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
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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

As in the chart shown previously, SAE 5W-30 is the
only viscosity grade recommended for your vehicle.
You should look for and use only oils which have the
API Starburst symbol and which are also identified
as SAE 5W-30. If you cannot find such SAE 5W-30 oils,
you can use an SAE
1OW-30 oil which has the
API Starburst symbol,
if it's going to be 0°F (-18°C)
or above. Do not use other viscosity grade oils, such as
SAE 1OW-40 or SAE 20W-50 under any conditions.
Notice: Use only engine oil with the American
Petroleum Institute Certified For Gasoline Engines
starburst symbol. Failure to use the recommended
oil can result in engine damage not covered by
your warranty.
GM Goodwrench@ oil meets all the requirements for
your vehicle.
If you are in an area of extreme cold, where the
temperature falls below -20°F (-29"C), it is
recommended that you use either an SAE 5W-30
synthetic oil or an SAE OW-30 oil. Both will provide
easier cold starting and better protection for your engine
at extremely low temperatures.
Engine Oil Additives
Don't add anything to your oil. The recommended oils
with the starburst symbol are all you will need for
good pe;formance and engifie prs:ection.
When to Change Engine Oil
(GM Oil Life System)
Your vehicle has a computer system that lets you know
when to change the engine oil and filter. This is based
on engine revolutions and engine temperature, and
not on mileage. Based on driving conditions, the mileage
at which an oil change will be indicated can vary
considerably. For the oil life system to work properly,
you must reset the system every time the oil
is changed.
When the system has calculated that oil life has
been diminished,
it will indicate that an oil change is
necessary. A change engine oil message will come on.
Change your oil as soon as possible within the next
two times you stop for fuel. It is possible that,
if you are
driving under the best conditions, the oil life system
may not indicate that an oil change is necessary for
over a year. However, your engine oil and filter must
be changed at least once a year and at this time
the system must be reset. It is also important to check
. .- . ..- -:I .I - ..I. . - - -1 I-- - - :r -I rl- - .- .- - ._ I -. ,-I yuul UII I cyular IY a1 IU ncep 11 a1 11 le IJI upcl eve^.
If the system is ever reset accidentally, you must change
your oil at 3,000 miles
(5 000 km) since your last oil
change. Remember to reset the oil life system
whenever the oil is changed.
5-1 7

What to Use
Use a mixture of one-half clean, drinkable water and
one-half
DEX-COOL@ coolant which won’t damage
aluminum parts.
If you use this coolant mixture,
you don’t need
to add anything else.
Adding on
, plain wa ~ ~ * to your cooling
system can be dangerous. Plain water, or
some other liquid such as alcohol, can boil
before the proper coolant mixture will. Your
vehicle’s coolant warning system
is set for the
proper coolant mixture.
With plain water or the
wrong mixture, your engine could get too hot but you wouldn’t get the overheat warning.
Your engine could catch fire and you or others
could be burned. Use a
50/50 mixture of clean,
drinkable water and
DEX-COOL@ coolant.
Notice: If you use an improper coolant mixture,
your engine could overheat and be badly damaged.
The repair cost wouldn’t be covered by your
warranty.
Too much water in the mixture can freeze
and crack the engine, radiator, heater core and
other parts.
If you have to add coolant more than four times a year,
have your dealer check your cooling system.
Notice: If you use the proper coolant, you don’t
have to add extra inhibitors or additives which claim
to improve the system. These can be harmful.
Checking Coolant
The engine coolant
reservoir is located on the
driver’s side
of the vehicle,
above the engine air
cleanedfilter. See
Engine
Compartment Overview
on page
5- 12 for more
information on location.
5-24

Engine (cont.)
Coolant Temperature Warning Message
.......... 3-53
Cooling System Inspection
............................ 6-1 4
Engine Compartment Overview
.... ........... 5-12
Exhaust
..................................................... 2-43
Low Oil Level Message
................................ 3-55
Oil
............................................................. 5-14
Overheating
................................................ 5-26
Starting
...................................................... 2-34
Engine Coolant Level Check
............................. 6-10
Engine Oil Additives
......................... ....... 5-17
Engine Oil and Chassis Lubrication Scheduled Maintenance
................................. 6-5
Engine Oil Level Check
................................... 6-10
Engine Specifications
..................................... 5-1 04
Entering Programming Mode
............................ 2-63
Entertainment System
...................................... 3-91
Cleaning the Video Screen
.......................... 3-105
Cleaning Your DVD Player
.......................... 3-105
DVD Distortion
.......................................... 3-103
Entry Lighting
................................................. 3-18
Erasing HomeLink@ Buttons
.............................. 2-52
Exit Lighting
................................................... 3-19
Exiting Programming Mode
............................... 2-71
Express-Down Window
.................................... 2-25
Extender, Safety Belt
....................................... 1-44
Exterior Lamps
............................................... 3-1 4
F
FabricKarpet ................................................. 5-87
Engine Air Cleaner
...................................... 5-19
Filter
Finding
a PTY Station
..................... 3.67. 3.74. 3-83
Finding a Station
............................ 3-65, 3-72, 3-81
Finish Care
.................................................... 5-91
Finish Damage
............................................... 5-92
Fixed Mast Antenna
....................................... 3-105
Flash-to-Pass
................................................... 3-9
Flat Tire
........................................................ 5-69
Flat Tire, Changing
......................................... 5-70
Flip and Fold Rear Seats
.................................. 1-7
Fluid Automatic Transaxle
..................................... 5-20
Power Steering
........................................... 5-37
Windshield Washer
...................................... 5-38
FM
.............................................................. 3-103
Fog Lamps
.................................................... 3-16
Folding or Reclining the Seatbacks
............. 1-8, 1-14
Folding the Seatback
....................................... 1-18
Following Distance
.......................................... 4-41
Footnotes
........................................................ 6-5
Front Reading Lamps
...... ........................ 3-19
Front Seat Storage Net
................................ 2-55
Fuel
............................................................... 5-5
Additives
................. .......................... 5-6
California Fuel
....................................... 5-6