What Does This Indicator Mean?
The Mitsubishi Green Cruise Control Active Indicator Light is a dedicated informational dashboard notification that illuminates when your vehicle’s electronic cruise control system is successfully engaged and actively maintaining a set vehicle speed. Unlike yellow, amber, or red warning indicators that signal a system fault, mechanical failure, or hazardous condition, this green indicator serves as a positive status confirmation. The Powertrain Control Module (PCM), working in tandem with the dedicated Electronic Cruise Control Module, receives input signals from the vehicle speed sensor (VSS), wheel speed sensors via the Anti-lock Braking System (ABS) module, and the throttle actuator. When the driver presses the set or coast buttons on the steering wheel, the system takes over throttle input to maintain the desired velocity without requiring continuous driver pressure on the accelerator pedal. The green illumination simply lets you know that the automated speed regulation subsystem is fully functional, armed, and actively modulating engine output.
Can I Still Drive with This Light On?
Yes, you can safely continue driving with this light illuminated. Because this indicator carries a green severity color rating, it is classified as a status or informational light rather than a diagnostic trouble warning. It indicates that a convenience feature you intentionally activated is currently operating as designed. There is zero mechanical risk to your engine, transmission, or braking system stemming from this light being on. However, drivers must always remain attentive and keep their hands on the steering wheel, as the cruise control system does not eliminate the need for active driving supervision, obstacle detection, or sudden braking.
Common Causes of the Warning
- Normal System Activation: The driver has purposefully pressed the steering wheel mounted cruise control ON button and subsequently pressed the SET switch to lock in the current vehicle speed.
- Resume Command Execution: The driver has pressed the RES (Resume) button after temporarily braking, prompting the vehicle to accelerate back to the previously stored speed memory within the Powertrain Control Module.
- Adaptive Cruise Control Speed Adjustment: If your Mitsubishi is equipped with Adaptive Cruise Control (ACC) utilizing a front-facing millimeter-wave radar or laser sensor, the green light remains active while the system automatically modulates speed to maintain a safe following distance from the vehicle ahead.
How to Diagnose and Reset It
Because the Green Cruise Control Active Indicator Light is a normal operational feature rather than a fault code, a standard diagnostic reset procedure using an OBD2 scanner is generally unnecessary unless the light refuses to turn off when requested. If you wish to deactivate the light and return full manual control of the throttle to your foot, perform the following steps. First, gently depress the brake pedal, which instantly cuts the electrical circuit to the cruise control actuators and disengages the system. Alternatively, press the dedicated cruise control cancellation button or the main ON/OFF power switch located on your steering wheel. If the green light stays permanently illuminated even when the main switch is turned off, you may be experiencing a mechanical stuck switch on the steering wheel assembly or a latching relay fault within the body control module, which would require manual inspection of the steering column switches or a diagnostic check using a professional-grade scan tool to read body control network parameters.