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:
Storage Compartments
Press the bottom of the load floor
handle assembly to lift the top on
the handle. Pull up on the handle
to open the cargo management
system.
See Cargo Management System
(Wagon Only) for m ...
V-6 Power
The CTS coupe's standard 3.6-liter V-6 moves this two-door smartly enough,
but it doesn't necessarily feel like there's a 304-horsepower engine under the
hood. With a curb weight of around 4,000 p ...
If No Steam Is Coming from the Engine Compartment
The ENGINE OVERHEATED STOP ENGINE or the ENGINE OVERHEATED IDLE ENGINE message,
along with a low coolant condition, can indicate a serious problem.
If there is an engine overheat warning, but see o ...