Engine Oil Additives / Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M 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:
Shifting Into Park
WARNING:
It can be dangerous to get out of the vehicle if the
shift lever is not fully in P (Park) with the parking
brake firmly set. The vehicle can roll. If you have
left the engine running, ...
Capacities and Specifications
The following approximate capacities are given in English and metric
conversions. See Recommended Fluids and
Lubricants for more information.
Engine Specifications
...
Technology and notable features
Buick's first truck in its lineup since 1923, the Rendezvous was billed as a
combination of the best attributes of a minivan (large cargo capacity, seating
for up to seven), a luxury automobile (r ...