Buick Enclave: Fuel
Use of the recommended fuel is an important part of the proper maintenance of
this vehicle. To help keep the engine clean and maintain optimum vehicle performance,
we recommend the use of gasoline advertised as TOP TIER Detergent Gasoline.
Look for the TOP TIER label on the fuel pump to ensure gasoline meets enhanced
detergency standards developed by auto companies. A list of marketers providing
TOP TIER Detergent Gasoline can be found at www.toptiergas.com.

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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, mi
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
vehic
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Ultrasonic Parking Assist
If available, the Ultrasonic Rear Parking Assist (URPA) system assists the driver
with parking and avoiding objects while in R (Reverse). URPA operates at speeds
less than 8 km/h (5 mph).
The sensors on the rear bumper are used to detect objects up to 2.5m(8 ft) behind
ALL SEASONS TIRES DESCRIPTION
Fig. 22: Identifying All Seasons Tire Marking
Most GM vehicles are equipped with steel belted all-season radial tires as
standard equipment. These tires
qualify as snow tires, with a higher than average rating for snow traction than
the non-all season radial tires
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