2009 Toyota 4Runner Owners Manual - Page 174

2-2. Instrument cluster NOTICE n To prevent damage to the engine and its components l Do not let the indicator needle of the tachometer enter the red zone, which indicates the maximum engine speed. l The engine may be overheating if the temperature gauge is in the red zone (H). In this case, immediately stop the vehicle in a safe place, and check the engine after it has cooled completely. (→P. 463) 150