Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
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 ...
Transportation Options
Warranty service can generally be
completed while you wait. However,
if you are unable to wait, GM helps
to minimize inconvenience by
providing several transportation
options. Depending on t ...
Heated and Ventilated Seats
On vehicles with heated and ventilated seats, the
controls are located on the front doors and the ignition
must be on to use the feature.
: Press to heat the seat and
seatback.
: Press to he ...