OnStar® Services
For new vehicles equipped with OnStar®, the Safe & Sound Plan, or the Directions & Connections® Plan is included for one year from the date of purchase. You can extend this plan beyond the first year, or upgrade to the Directions & Connections® Plan. For more information, press the OnStar® button to speak with an advisor. Some OnStar® services (such as Remote Door Unlock or Stolen Vehicle Location Assistance) may not be available until you register with OnStar®.
See also:
eAssist Vehicles Only
WARNING!
Never try to do your own service
on eAssist components. You can
be injured and the vehicle can be
damaged if you try to do your own
service work. Service and repair
of these eAssis ...
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 ...
Checking Coolant
The vehicle must be on a level surface when checking
the coolant level.
The coolant level should be at or above the FULL
COLD mark when the engine is cold. The coolant level
should be above the ...