2007 Dodge Nitro Owner's Manual - Page 240

240 STARTING AND OPERATING Tip Start Feature - Automatic Transmission Only Do not press the accelerator. Turn the ignition key briefly to START position, and release it. The starter motor will continue to run, but will automatically disengage itself when the engine is running. Extreme Cold Weather (below -20°F or -29°C) To insure reliable starting at these temperatures, use of an externally powered electric engine block heater (available from your dealer) is recommended. If Engine Fails to Start If the engine fails to start after you have followed the "Normal Starting" or "Extreme Cold Weather" procedures, it may be flooded. Push the accelerator pedal all the way to the floor and hold it there while cranking the engine. This should clear any excess fuel in case the engine is flooded. CAUTION! To prevent damage to the starter, do not crank the engine for more than 15 seconds at a time. Wait 10 to 15 seconds before trying again. Ignition Key Positions