2006 BUICK RANDEZVOUS fuel type

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Page 331 of 478

BUICK RANDEZVOUS 2006  Owners Manual Gasoline Octane
If your vehicle has the 3.5L V6 engine (VIN Code 8),
use regular unleaded gasoline with a posted octane
rating of 87 or higher. If the octane rating is less than 87,
you may notice an

Page 334 of 478

BUICK RANDEZVOUS 2006  Owners Manual When replacing the fuel cap, turn it clockwise until it
clicks. Make sure the cap is fully installed. The
diagnostic system can determine if the fuel cap has
been left off or improperly installed. Thi