2011 Chevrolet Impala Owner's Manual - Page 266
2011 Chevrolet Impala Manual
Page 266 highlights
10-10 Vehicle Care Cold Temperature Operation: In an area of extreme cold, where the temperature falls below −29°C (−20°F), 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 required specification, dexos. See "Specification" earliern in this section for more information. Use of oils that do not meet the dexos specification, however, may result in reduced performance under certain circumstances. Viscosity Grade SAE 5W-30 is the best viscosity grade for the vehicle. Do not use other viscosity oils such as SAE 10W‐30, 10W‐40, or 20W-50.
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10-10
Vehicle Care
Use of oils that do not meet the
dexos specification, however, may
result in reduced performance under
certain circumstances.
Viscosity Grade
SAE 5W-30 is the best viscosity
grade for the vehicle. Do not
use other viscosity oils such as
SAE 10W
‐
30, 10W
‐
40, or 20W-50.
Cold Temperature Operation:
In an area of extreme cold,
where the temperature falls
below
-
29°C (
-
20°F), 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 required
specification, dexos. See
“
Specification
”
earliern in this
section for more information.