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CADILLAC SERVICE-C.dill.c Motor Car Divi·
sion recommends that your Cadillac be serviced at
Authorized C.dillac De.I.... These de.l...hips are
equipped with facilities, trained personnel, and
General Motors parts to service and maintain your
Cadillac according to factory recommendations.
MAINTENANCE SCHEDULE-For owner can·
venience, a separate maintenance folder has been
provided with your car which contains a complete
schedule .nd brief expl.nation of the safety,
emission control, lubrication and general main·
tenance it requires. The maintenance folder infor-
mation is supplemented by this section of the
Owners Manual, as well as the separate emission
control systems folder also furnished with your
~
car. Read all three publications for a full under-
~
standing of vehicle maintenance requirements.
Manufacturer recommended
fluids and lubricants
Fuel requirements
Your Cadillac is designed to operate on a good
Qu.lity fuel of .pproxim.tely 91 Research Oc·
tane Number or higher, commonly sold in the
United States and Canada. Use of a fuel which is
too low in antt-knock quality will result in
"spark knock", a metallic rapping noise gener-
ated during the combustion process. It should be
noted that Research Octane Number does not
completely describe fuel octane quality. There-
fore, if you hear a knock in your engine you may
wish to try • different gamline. If knocking
persists consult your authorized Cadillac dealer.
In any case, continuous or excessive knocking may
resuJt in engine damage and constitutes misuse of
the engine for which the C.dill.c Motor Car Divi·
sian is not responsible under the terms of the New
Vehicle Warranty.
General Motors recommends the use of
unle.ded or low-lead (0 to 0.5 grams per g.lIon)
gasolines to minimize emissions of hydrocarbons
.nd
particul.te~
If unleaded or low-Ie.d gasolines
are not available gasolines containing mar! than
0.5 grams per gallon may
be
ulOd.
In states using the Gasofine Performance and
Information System of fuel designation, unleaded
or low-lead fuels having an anti-knock designation
of "2" or higher are recommended.
GAS CAP-Located behind the license plate on
.11
model~
The fuel t.nk f,lIer c.p has • two-step
removal and installation procedure plus a pressure-
vacuum safety relief valve.
The cap
is
equipped with • double set of
locking tangs.. To remove:
• Rotate cap one-half turn counterclockwise
to clear the fi'" set of tangs from the slots
inside the filler neck.
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