oil additives CADILLAC DEVILLE 1996 7.G Owners Manual

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In Canada, some gasolines contain an octane-enhancing
additive called
“T. If you use such fuels, your
emission control system performance may deteriorate
and
the malfunction indicator lamp on your instrument
panel may turn on. If this happens, return
to your
authorized Cadillac dealer for service.
To provide cleaner air, all gasolines are now required to
contain additives that will help prevent deposits from
forming
in your engine and fuel system, allowing your
emission control system
to function properly. Therefore,
you should not have to add anything to the fuel. In
addition, gasolines containing oxygenates, such as ethers
and ethanol, and reformulated gasolines may be
available
in your area to help clean the air. General
Motors recommends that you use these gasolines if they
comply with
the specifications described earlier.
NOTICE:
Your vehicle was not designed for fuel that
contains methanol. Don’t use it. It can corrode
metal parts
in your fuel system and also damage
plastic and rubber parts. That damage wouldn’t
be covered under your warranty.
Fuels in Foreign Countrics
If you plan on driving in another country outside the
United States or Canada, the proper fuel may be hard to
find. Never use leaded gasoline or any other fuel not
recommended in
the previous text on fuel. Costly repairs
caused by
use of improper fuel wouldn’t be covered by
your warranty.
To check on fuel availability, ask an auto club, or
contact a major oil company that does business in the
country where you’ll be driving.
You can also write us at the following address for
advice. Just tell us where you’re going and give your
Vehicle Identification Number (VIN).
General Motors Overseas Distribution Corporation North American Export Sales
(NAES)
1908 Colonel Sam Drive
Oshawa, Ontario
L1H 8P7
6-3

Downloaded from www.Manualslib.com manuals search engine I RECOMME~O SAE VISCOSITY GRADE ENGINE OILS I
FOR BEST FUEL ECONOMY AND Coul STARTING, SELECT THE LOWEST
SA€ VISCOSITY GRADE OIL FOR THE EXPECTED TEMPERATURE RAWGE.
HOT
WEATHER
WOK
FOR THIS 1
’OF %‘ 7
+loo- - +3a
+a- - +27
+60--+16 ---
+4Q- - +4
+20- --7
0---18 -I-
SA€ 51111-39
COLD
WEATHER
DO NOT USE SAL 2OW-50 OR ANY OTHER GRADE OIL NOT RECOMMENDED
As shown in the chart, SAE 1OW-30 is best for your
vehicle. However, you can use
SAE 5W-30 if it’s
going
to be colder than 60°F (16°C) before your
next oil change. When it’s
very cold, you should use
SAE 5W-30. These numbers on an oil container show
its viscosity,
or thickness. Do not use other viscosity
oils, such
as SAE 20W-50.
I 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.
Engine Oil Additives
Don’t add anything to your oil. Your Cadillac dealer is
ready
to advise if you think something should be added.
6-12

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A CAUTION:
Adding only plain water to your cooling system
can be dangerous. Plain water, or
some other
liquid like alcohol, can boil before the proper
coolant mix will. Your vehicle’s coolant warning
system is set for the proper coolant mix. With
plain water
or the wrong mix, 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 mix of clean
water and
DEX-COOL (orange-colored,
silicate-free) antifreeze.
NOTICE:
If you use an improper coolant mix, your engine
could overheat and be badly damaged. The
repair cost wouldn’t be covered by your
warranty.
Too much water in the mix can freeze
and crack the engine, radiator, heater core and
other parts.
[f you have to add coolant more than four times a year,
lave 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.

Downloaded from www.Manualslib.com manuals search engine Driving City
........................................ 4-20
Defensive
.................................... 4-1
Drunken
..................................... 4-2
Freeway
.................................... 4-21
InaBlizzard
................................. 4-27
In Foreign Countries ........................... 6-3
In the Rain .................................. 4- 17
Night
...................................... 4-15'
OnCurves .................................. 4-10
On Grades While Towing a Trailer ............... 4-38
On Hill and Mountain Roads
.................... 4-23
On Snow and Ice
............................. 4-26
Throughwater
............................... 4-19
WetRoads
.................................. 4-17
Winter
...................................... 4- 25
With a Trailer
................................ 4-36
Drunken Driving
................................ 4-2
ECC ......................................... 3-1
Electrical Equipment. Adding ........... 2.17.3.30. 6.54
Electrical System
............................... 6-54
Electrochromic Daymight Rearview Mirror
..... 2.46. 2.48
Electronic Climate Control
........................ 3- 1
Electronic Level Control ......................... 2-83
Electronic Solar Sensor
........................... 3-5
Engine
........................................ 6-8
Coolant ..................................... 6-20
Coolant Heater
............................... 2- 17
Exhaust ..................................... 2-28
FuseBlock .................................. 6-55 Identification
................................ 6-53
Overheating
................................. 5-15
Running While Parked
......................... 2-28
Specifications
................................ 6-63
StartingYour
................................ 2-16
Temperature Warning Light
..................... 2-68
Engine Oil
..................................... 6-9
Adding
..................................... 6-10
Additives
................................... 6-12
Checking
................................... 6-10
Used
....................................... 6-13
When
to Change .............................. 6-13
English/Metric Button
........................... 2-75
Exhaust. Engine
................................ 2-28
Engine Coolant Hot-Idle Engine Message ........... 2-78
Ethanol
........................................ 6-3
Express-Down Window .......................... 2-30
Exterior Lighting Battery Saver
.................... 2-43
Fabric Cleaning
............................... 6-45
Fan Control. Climate Control System
................ 3-2
Filling
Your Tank ................................ 6-4
Filter. Air
..................................... 6-14
Finish Care
.................................... 6-49
Finish Damage
................................. 6-51
First (1). Automatic Transaxle
..................... 2-22
Flashers. Hazard Warning
......................... 5-1
Flash-To-Pass Feature
........................... 2-32
Flat Tire. Changing
............................. 5-25
Floor Mats .................................... 2-55
8-4
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