2005 Chrysler PT Cruiser Owner's Manual - Page 198

198 STARTING AND OPERATING WARNING! Never pour fuel or other flammable liquid into the throttle body air inlet opening in an attempt to start the vehicle. This could result in flash fire causing serious personal injury. 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. 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.