INDICATOR LIGHT (Centre Location) | EXPLANATION | IMAGE | INDICATOR LIGHT (Centre Location) | EXPLANATION | IMAGE | | BRAKE SENSOR LIGHT (B ends of CEM Coaches/Cabcars) |
 | RED SOLID Illuminates when a door(s) open on coach / Cabcar. |  Click to enlarge in a new window |
 | FLASHING RED Illuminates when the Priority Alarm or Smoke / Heat Sensor Alarm is activated. | As in image to the left only flashing | | NOTE: 4025 to 4054 have a new brake application sensor that illuminates a white light on each side of the coach when brakes are applied - to be added to ALL 4000s, 4500s, and CEM cabcars 300 to 366. Click: GO CAR ROSTER for additional info and WIFI
 Sensor Brake Light Pix 1
 Sensor Brake Light Pix 2
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 | SOLID YELLOW (AMBER) Illuminates when the emergency brake valve is applied on any car. Also illuminates on any car or cabcar that has a door key switch enabled to indicate which car has a door control and communication station enabled for use. |  Click to enlarge in a new window. |
 | FLASHING YELLOW (AMBER) Illuminates when the Biocide and Water Tank Level are filled up to 95 percent full. | As in image to left only flashing. |
 | SOLID WHITE Illuminates when the Service Brake is applied and a brake cylinder pressure of less than 25psi. |  Click to enlarge in a new window |
 | FLASHING WHITE Illuminates when the Holding Brake (cabcar only) is activated or the Parking Brake on any car is activated. Note: the Holding Brake is only used when a train is stopped and brake cylinder pressure is kept at a minimum of 40psi. Once the train begins moving the condition disappears. | As in image to the left only flashing |