Owner's Manual
Page 313
... to use a high-quality fuel. 314 Persistent, heavy knocking can damage the engine. However, if a fuel with low volatility. pinging. u protecting the fuel system from vapor lock in fuel injectors, u preventing your fuel system from "gumming u preventing your engine from freezing.
... to use a high-quality fuel. 314 Persistent, heavy knocking can damage the engine. However, if a fuel with low volatility. pinging. u protecting the fuel system from vapor lock in fuel injectors, u preventing your fuel system from "gumming u preventing your engine from freezing.