Buick Enclave: OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect
to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic
Services. See OnStar Overview for more information.
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New Vehicle Break-In
Notice: The vehicle does not need an elaborate break-in. But it will perform
better in the long run if you follow these guidelines:
► If you have all-wheel drive, keep your speed at 88 km/h (55 mph) or less for the
first 805 km (500 mi).
► Do not drive at any o
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If
the octane rating is less than 87, an audible knocking noise, commonly referred
to as spark knock, might be heard when driving. If this occurs, use a gasoline rated
at 87 octane or higher as soon as
