Cadillac 1975 Owner's Manual page 94

Gas station information (Cont'd.)
96
Recommended SAE Viscosity Numbers
20W-20,10W-30,10W-40V
20W-40,20W-50 /
low
10W-.
, 5W-30,
30, 10W-40
c
5W-2
5W-3
_
-20 0 20 40 60 80 100
Temperature Range Anticipated Before Next Oil Change. F
FIG. 6-4: ENGINE OIL VISCOSITY CHART
NOTE: SAE 5 W-20 oils are not recommended
for sustained high-speed driving.
SAE 30 oils may be used at temperatures
above 40°F.
SAE 5W-30 viscosity oil is recommended
for all seasons in vehicles operated in Canada.
TIRE INFLATION PRESSURES — Check at
least monthly. Keep inflated to pressures
shown on tire placard affixed inside glove
compartment door of your vehicle.
WINDSHIELD WASHER — Check reser¬
voir fluid level regularly. Use a washer fluid,
such as CM Optikleen.
BATTERY — Check fluid level monthly (two
week intervals in warm weather). Add only
colorless, odorless drinking water or distilled
water to bring level to split ring in filler open¬
ing.
COOLANT — Visually check level in cool¬
ant recovery tank. Add a 50/50 mixture of high
quality ethylene glycol antifreeze and water to
the recovery tank as required.
Part Number 160 6849 (C) Litho in U.S.A.