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:
Powertrain
The DTS is equipped with the technologically advanced Northstar 4.6L V-8
engine and mated to the Hydra-Matic 4T80-E four-speed automatic transmission - a
proven combination that assures powerful, ...
Supercharged powertrain
The Cadillac CTS-V Coupe employs the LSA 6.2L supercharged V-8 engine also
found on the CTS-V Sport Sedan. Rated at 556 horsepower (415 kW) and 551 lb.-ft.
of torque (747 Nm), it is the most power ...
Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits.
If one circuit is not working, the remaining circuit can still work to stop
the vehicle. For normal braking performance, both circuits ...