Engine Auto-Start/Stop System No Check Engine/Malfunction Indicator Lamp (MIL) displayed. Parking brake disengaged. Dash Switches Clutch pedal depressed. Auto-Start will not enable unless all eight safety interlocks are met. The system will immediately be disabled if any of the safety interlocks are triggered. Ignition switch turned to "ON". Dash switch set to disable. Sleeper Thermostat NOTE The EAS system now features an optional thermostat, mounted in the vehicle's sleeper. This allows the operator to check the status of the system and to change the temperature threshold that the EAS monitors to restart the engine.
The Auto-Start system switch is labeled with the word "Auto" and has a picture of an engine on it. It is a three-position switch with the following assignments: 3 The vehicle horn will not immedi- ately sound when the system is enabled. The horn will make two short, consecutive honks 5 sec- onds before the engine starts. The Auto-Start alarm will sound only if the doors have been opened after engaging Auto-Start with the dash switch. Lowest position disables Auto-Start. Middle position is neutral. While the thermostat allows convienient temperature changes from the sleeper, the operator must still use the controls in the vehicle's cab to turn the EAS system ON and OFF.
Highest position momentarily enables Auto-Start (switch will return to the middle position when released). Additionally, the system will be disabled if any of the following condition are met: Foot brake is depressed. (08/2016) Y53-1255-1C1 3-5