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:
Under the Hood
In all but the Ultra models, a standard 185-hp, 3.4-liter V-6 teams with a
four-speed-automatic transmission. The Rendezvous Ultra gets a 245-hp, 3.6-liter
V-6; this engine is optional in the CXL. ...
Special Application Services
Severe Commercial Use Vehicles Only: Lubricate chassis components every
5 000 km/3,000 mi.
Have underbody flushing service performed once a year.
...
Brake Fluid
The brake master cylinder
reservoir is filled with DOT
3 brake fluid. See Engine
Compartment Overview for the location
of the reservoir.
There are only two reasons why the brake fluid level ...