See also:

Onboard Diagnostic System — OBD II
Your vehicle is equipped with a sophisticated onboard diagnostic system called OBD II. This system monitors the performance of the emissions, engine, and automatic transmission control systems. ...

Using The ENGINE START/STOP Button
NOTE: Normal starting of either a cold or a warm engine is obtained without pumping or pressing the accelerator pedal. To start the engine, the transmission must be in PARK or NEUTRAL. Press a ...

Extreme Cold Weather (Below –20°F Or 29°C)
To ensure reliable starting at these temperatures, use of an externally powered electric engine block heater (available from your dealer) is recommended. ...