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:
Automatic Transmission Shift Lock Control Function Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
1. Before starting this check, be sure there is enough room arou ...
Overview
The Buick Rendezvous, introduced in the spring of 2001 as a 2002 model year
vehicle and produced through the present, is a sport utility vehicle produced by
the Buick division of General Motors.
...
Background
Given the fact that the vast majority of SUVs were rarely taken off-pavement
by their owners, much less driven under serious off-road conditions, a new type
of car-based "crossover SUV" ...