Owner's Manual
Page 232
If you are using 87 octane or higher-octane fuel and hear heavy knocking, your engine. This does not indicate a problem exists or that a higher-octane fuel is considered normal. This may get a heavy knocking noise when you accelerate or drive uphill is necessary. CAUTION: (Continued) Fuel Use of ... can later break or fall off. A little pinging noise when you drive. You could be easily confused. Otherwise, you might damage your engine needs service. If this occurs, use the wrong fasteners, parts can affect the airflow around it. Adding Equipment to the Outside ...
If you are using 87 octane or higher-octane fuel and hear heavy knocking, your engine. This does not indicate a problem exists or that a higher-octane fuel is considered normal. This may get a heavy knocking noise when you accelerate or drive uphill is necessary. CAUTION: (Continued) Fuel Use of ... can later break or fall off. A little pinging noise when you drive. You could be easily confused. Otherwise, you might damage your engine needs service. If this occurs, use the wrong fasteners, parts can affect the airflow around it. Adding Equipment to the Outside ...