2004 Chrysler PT Cruiser Owner's Manual - Page 182

182 STARTING AND OPERATING 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. After Starting The idle speed will automatically decrease as the engine warms up. Turbocharger "Cool Down" NOTE: Letting the engine idle after severe operation allows the turbine housing to cool to normal operating temperature. The following chart should be used as a guide in determinning the amount of engine idle time required to sufficiently cool down the turbocharger before shut down, depending upon the type of driving and the amount of cargo. TURBOCHARGER COOL DOWN CHART Driving Conditions Idle Time (in minutes) Before Shut Down Normal Driving Not required. Aggressive Driving or Heavily Loaded 3 Trailer Tow 5