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:
Rainsense™ II Wipers
If the vehicle has this feature, the moisture sensor is
mounted on the interior of the windshield beside
the rearview mirror and is used to automatically operate
the wipers. This system operates ...
Uniform Tire Quality Grading
Quality grades can be found
where applicable on the tire
sidewall between tread shoulder
and maximum section width. For
example: ...
Using the Maintenance Schedule
We at General Motors want to help you keep your
vehicle in good working condition. But we do
not know exactly how you will drive it. You may
drive very short distances only a few times a week.
O ...