OnStar

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Infants and Young Children
Everyone in a vehicle needs protection! This includes infants and all other children. Neither the distance traveled nor the age and size of the traveler changes the need, for everyone, to us ...

Fuels in Foreign Countries
Never use leaded gasoline or any other fuel not recommended in the previous text on fuel. Costly repairs caused by use of improper fuel would not be covered by the vehicle warranty. To check the fuel ...

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 ...