How to Check Lubricant
To get an accurate reading, the vehicle should be on a
If the level is below the bottom of the ﬁller plug hole, you
will need to add some lubricant. Add enough lubricant to
raise the level to the bottom of the ﬁller plug hole.
What to Use
To add lubricant when the level is low, use Dexron LS
Gear Oil 75W-90 (GM Part No. US. 88862624, in
Canada 88862625) meeting GM Speciﬁcation 9986290.
To completely reﬁll after draining, see Recommended
Fluids and Lubricants on page 6-12. Then ﬁll to the
bottom of the ﬁller plug hole with the Synthetic Gear
Headlamp aim has been preset at the factory and
should need no further adjustment.
However, if your vehicle is damaged in a crash, the
headlamp aim may be affected. Aim adjustment to the
low-beam headlamps may be necessary if oncoming
drivers ﬂash their high-beam headlamps at you
(for vertical aim).
If the headlamps need to be re-aimed, it is
recommended that you take the vehicle to your
dealer/retailer for service.