Chevrolet 2012 Malibu Owner's Manual page 287

Engine Oil Viscosity Grades SAE 5W-30 is the best viscosity
grade for your vehicle. Do not use
other viscosity grade oils such as
SAE 10W-30, 10W-40 or 20W-50.
Cold temperature operation:
If in an area of extreme cold, where
the temperature falls below -25°C,
an SAE 0W-30 oil should be used.
An oil of this viscosity grade will
provide easier cold starting for
the engine at extremely low
temperatures. When selecting an oil
of the appropriate viscosity grade be
sure to always select an oil that
meets the dexos specification.
.
Down to -25°C and below:
0W-30, 0W-40.
.
Down to -25°C and below:
5W-30, 5W-40.
Note: Diesel engine can not
use xW-30.
The SAE viscosity grade gives
information of the thickness of the
oil. Multigrade oil is indicated by
two figures.
Service and Maintenance
The first figure, followed by a W,
indicates the low temperature
viscosity and the second figure the
high temperature viscosity.
Coolant and Antifreeze
Use only silicate-free long life
coolant (LLC) antifreeze.
The system is factory filled with
coolant designed for excellent
corrosion protection and frost
protection down to approx. -28 °C.
This concentration should be
maintained all year round. The use
of additional coolant additives
intended to give additional corrosion
protection or seal against minor
leaks can cause function problems.
Liability for consequences resulting
from the use of additional coolant
additives will be rejected.
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