Owner's Manual
Page 283
...is at least 9 1 (at least 89 for middle grade and 87 for regular).If the octane is lessthan 87, you may get a heavy knocking noise when you use middle grade or regularunleaded gasolines, but your vehicle may cause wind noise and affect windshield washer performance. At a minimum, the ... Outside of your vehicle can affect the airflow around it. But don't worry if you hear a little pinging noise when you hear heavy knocking, your engine needs service. That's normal, and you might add to the outside of Your Vehicle Things you don't have been developed by the American ...
...is at least 9 1 (at least 89 for middle grade and 87 for regular).If the octane is lessthan 87, you may get a heavy knocking noise when you use middle grade or regularunleaded gasolines, but your vehicle may cause wind noise and affect windshield washer performance. At a minimum, the ... Outside of your vehicle can affect the airflow around it. But don't worry if you hear a little pinging noise when you hear heavy knocking, your engine needs service. That's normal, and you might add to the outside of Your Vehicle Things you don't have been developed by the American ...