Warning and Indicator Lamps
The instrument cluster has an emergency buzzer that sounds when serious conditions that require immediate attention occur.
A description of the standard warning and indicator lamps are listed below alphabetically.
ABS Warning
The ABS indicator illuminates when there is a malfunction in the vehicle antilock brake system (ABS).
Note: For more information about the ABS system, see Chapter 9 .
Warning: If the ABS warning light activates while driving, repair the system immediately to ensure full antilock brake capability. Operating the vehicle when the ABS needs to be serviced could cause an accident, possibly resulting in personal injury or death, or property damage.
Adaptive Cruise Control Failure Indicator
When a failure is detected, the adaptive cruise control failure indicator, with a vehicle and an exclamation (!) point illuminates.
Automatic Traction Control (ATC) Indicator
The ATC indicator illuminates during wheel spin and when the ATC system is active. When the system is active, it is set to deep snow/mud mode.
Battery Failure Lamp
The battery failure lamp illuminates when the battery pack and/or the charging/discharging management system has a failure and needs immediate attention. Vehicle motor derate will occur.
Battery Temperature Indicator
The battery temperature indicator illuminates when the battery temperature exceeds pre-set limits.
Battery Warning Lamp
The battery warning lamp notifies the driver that there is an issue with diagnostics.
Cruise Control/Adaptive Cruise Control Indicator
The cruise control indicator illuminates when the cruise control is activated.
The adaptive cruise control indicator (with a vehicle) illuminates when the adaptive cruise control is activated.
Electronic Stability Control (ESC) Indicator
The electronic stability control (ESC) indicator illuminates when the ESC system activates.
Fasten Seat Belt Warning
The fasten seat belts warning indicator illuminates for 30 seconds after the ignition switch is turned on.
Fog Lamp Indicator
The fog lamp indicator illuminates when the fog lamps are on.
Forward Collision System Indicator
The forward collision system indicator illuminates only when the collision mitigation system is not available.
Headlight/High-Beam Indicator
A green headlight indicator illuminates when the headlights are on.
The high-beam indicator (sideways beam icon) illuminates blue when the headlight high beams are on.
High Voltage Battery State of Charge Indicator
The high voltage battery state of charge indicator has two states as follows:
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Normal—The high voltage battery charge indicator is gray and the battery charge bar graph is blue.
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Low—The high voltage battery charge indicator is amber and the battery charge bar graph is amber. A 'Low Battery Charge' warning message appears in the top-left of the instrument panel.
High Voltage Interlock Loop Indicator
The high voltage interlock loop indicator illuminates when an open circuit (the electrical components can not communicate with each other) is detected on the high voltage interlock loop. Take the vehicle to an authorized Freightliner dealer for service.
Hill Start Aid Indicator
The hill start aid indicator notifies the driver that the hill start aid system is not functioning correctly or is offline.
Lane Departure Warning
The lane departure warning activates when the vehicle is driven out of the current lane.
Lane Keep Assist Indicator
The lane keep assist indicator illuminates green when activated and lane markings are detected.
The lane keep assist is disabled by the vehicles turn signals, dashboard button, moderately hard steering, narrow lane width, curvature radius, or if the vehicle is moving at a speed less than 37 mph (60 km/h).
Left-Turn Indicator
The left-turn indicator flashes on and off when the left-turn signal lights are flashing.
Both turn indicators flash when the hazard warning flasher is turned on.
Low Voltage Battery Warning
The low voltage battery warning indicator illuminates when the low voltage battery drops below 12 volts.
Low Windshield Washer Fluid Indicator
The low windshield washer fluid indicator illuminates when the washer fluid level is low.
Maintenance Warning Lamp
The maintenance warning lamp illuminates when the high-voltage battery pack, powertrain, or other controller on the vehicle requires maintenance. Take the vehicle to an authorized Freightliner dealer for service.
Marker Light Indicator
The marker light indicator activates when the marker lights are on.
Motion Enabled Indicator
The motion enabled indicator blinks when the vehicle is started. When the vehicle is ready to drive, the indicator stops blinking and remains solid.
Motor Warning/Motor Failure Indicator
The amber motor warning lamp notifies the driver that there is an issue with diagnostics. The vehicle will need service soon.
The red motor failure indicator notifies the driver when the motor and/or powertrain management system has failed and needs immediate attention. Vehicle motor derate will occur. Take the vehicle to an authorized Freightliner dealer immediately for service.
Parking Brake On Warning
The parking brake on indicator activates when the parking brake is engaged.
If the vehicle is moving at a speed of 2 mph (3 km/h) or more, the emergency buzzer will sound until the parking brake is released.
Performance Derate Indicator
The performance derate indicator notifies the driver of a powertrain motor derate. If the indicator activates, the driver should safely pull off to the side of the road and have the vehicle serviced as soon as possible.
Regenerative Braking System (RBS) Indicator
The RBS indicator illuminates green when the RBS is activated on the automatic multifunction gear control.
If the RBS is disabled, the indicator appears yellow on the instrument panel with a line across the letters.
Right-Turn Indicator
The right-turn indicator flashes on and off when the right-turn signal lights are flashing.
Both turn indicators flash when the hazard warning flasher is turned on.
Shift Inhibit Indicator
The shift inhibit indicator illuminates when the gearbox ECU is prohibiting shifting.
Tire Pressure Monitoring System Indicator
The tire pressure monitoring system indicator illuminates when the system detects an issue with one or more tires such as under or over pressure or over temperature. A warning message also appears in the driver display screen.