Engine Oil Additives
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all you will need for good performance and engine protection.
See also:
How to Inspect the Engine AirCleaner/Filter
To inspect the air cleaner/filter remove the filter
from the vehicle and lightly shake the filter to
release loose dust and dirt. If the filter remains
caked with dirt, a new filter is required.
...
LaCrosse Four-Cylinder in the Market
The four-cylinder LaCrosse is sure to appeal to some buyers, but there's no
way it will put much of a dent in the six-cylinder mix. While roughly 80 percent
of the best-selling midsize cars are fo ...
Bulb Replacement
For any bulb changing procedure not listed in this
section, contact your dealer. ...