Owner's Manual
Page 232
... use the wrong fasteners, parts can later break or fall off. This may get a heavy knocking noise when you might damage your engine. If you are using 87 octane or higher-octane fuel and hear heavy knocking, your engine needs service. CAUTION: (Continued) Fuel Use of the recommended fuel is an important part of...
... use the wrong fasteners, parts can later break or fall off. This may get a heavy knocking noise when you might damage your engine. If you are using 87 octane or higher-octane fuel and hear heavy knocking, your engine needs service. CAUTION: (Continued) Fuel Use of the recommended fuel is an important part of...