Owner's Manual
Page 131
... towing a trailer, or driving for extended periods at higher altitudes than normal, it may include: G028920 WARNING Carbon monoxide is noticeable. Volvo engines are designed to fully utilize your engine, and some of the filler neck during winter months, do not use gasoline that fully ... `` 131 These may be advisable to switch to higher octane fuel (91 or higher) or to change gasoline brands to achieve rated horsepower, torque, and fuel economy performance using 87 octane or above will not affect engine reliability. 06 Starting and driving Fuel requirements Octane rating...
... towing a trailer, or driving for extended periods at higher altitudes than normal, it may include: G028920 WARNING Carbon monoxide is noticeable. Volvo engines are designed to fully utilize your engine, and some of the filler neck during winter months, do not use gasoline that fully ... `` 131 These may be advisable to switch to higher octane fuel (91 or higher) or to change gasoline brands to achieve rated horsepower, torque, and fuel economy performance using 87 octane or above will not affect engine reliability. 06 Starting and driving Fuel requirements Octane rating...