OnStar Services
See also:
When the System Does Not Seem
to Work Properly
Occasional missed alerts can occur
under normal circumstances and will
increase in wet conditions. The
system does not need to be
serviced due to an occasional
missed alert. The number of mi ...
Additives
To provide cleaner air, all gasolines in the
United States are now required to contain additives
that will help prevent engine and fuel system
deposits from forming, allowing your emission
control ...
Ride & Handling
Unfortunately, the ride is another area where the Super looks better on paper
than the other Lucerne trim levels, but in some ways performs worse. The CXL's
suspension tuning is firmer than that o ...
