2011 Toyota Tundra Double Cab Owners Manual - Page 211

2-1. Driving procedures NOTICE n To prevent battery discharge Do not leave the engine switch in the ACC or ON position for long periods if the engine is not running. n When starting the engine l Do not crank for more than 30 seconds at a time. This may overheat the starter and wiring systems. l Do not race a cold engine. l If the engine becomes difficult to start or stalls frequently, have the engine checked immediately. 2 When driving 183