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:
Exterior
Designed with a chiseled look, the four-door STS features what Cadillac says
is a "faster profile" with "more rake" than the CTS. All told, it's considered
"more sophistic ...
Vehicle Personalization
Your vehicle may have customization capabilities that allow you to program certain
features to one preferred setting. Customization features can only be programmed
to one setting on the vehicle an ...
Safety
Standard safety items include four-wheel-disc, antilock brakes and a
StabiliTrak electronic stability system. The system has rollover mitigation
technology that senses imminent rollovers and appli ...