Buick Enclave: Special Application Services
► Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000
km/3,000 mi.
► Have underbody flushing service performed once a year.
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Your vehicle is an important investment and caring for it properly may help to
avoid future costly repairs. To maintain vehicle performance, additional maintenance
services may be required. It is
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Manual Mode
Electronic Range Select (ERS) Mode
ERS mode allows you to choose the top-gear limit of the transmission and the
vehicle's speed while driving downhill or towing a trailer.
The vehicle has an electronic shift position indicator within the instrument
panel cluster. When using the
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
