   
   pinMode(PUSH_BUTTON, INPUT_PULLUP);
   pinMode(KILL_SWITCH, INPUT_PULLUP);
+  pinMode(SAFE_SWITCH, INPUT_PULLUP); 
   
   pinMode(RELAY_ACC, OUTPUT);
   pinMode(RELAY_IGN, OUTPUT);

            break;
          case OFF: // Off -> Acc
            runState = ACC;
            digitalWrite(RELAY_ACC, LOW);
            digitalWrite(RELAY_IGN, HIGH);
            digitalWrite(RELAY_START, HIGH);
            break;
          case ACC: // Acc -> Start
            runState = START;
            digitalWrite(RELAY_ACC, HIGH);
            digitalWrite(RELAY_IGN, LOW);
            digitalWrite(RELAY_START, LOW);
            break;
          case START: // Start -> Run
            // This state should never really be hit since we bump from START->RUN when
            // we release the push button switch during the START sequence
            runState = RUN;
            digitalWrite(RELAY_ACC, HIGH);
            digitalWrite(RELAY_IGN, LOW);
            digitalWrite(RELAY_START, HIGH);
            break;
          case RUN: // Run -> Off
            runState = OFF;
            digitalWrite(RELAY_ACC, HIGH);
            digitalWrite(RELAY_IGN, HIGH);
            digitalWrite(RELAY_START, HIGH);
            break;
        }
        
        Serial.println("System State:");
        Serial.println(runState);
      } else {
        // Special case for START
        // When we release the push button in the START state we want to immediately
        // transition to RUN
        if (runState == START) {
          // Turn off starter solenoid and move to RUN
          digitalWrite(RELAY_START, HIGH);
          runState = RUN;
        }
      }
    }
    // Store button state for next cycle
    previousButtonState = buttonState;
  } else {
    runState = DISABLED;
    digitalWrite(RELAY_ACC, HIGH);
    digitalWrite(RELAY_IGN, HIGH);
    digitalWrite(RELAY_START, HIGH);
  }
  // Set brightness for next cycle
  setLedBrigtness();
  // Wait for 30 milliseconds
  delay(30);
}

/**

  // Set the brightness of LEDs:
  analogWrite(LED_BUTTON, brightness);
  analogWrite(LED_ON_BOARD, brightness);
  
  // System is enabled, process as normal
  if (digitalRead(KILL_SWITCH) == HIGH) { // HIGH = System Enabled LOW = Disabled (grounded)
    // If we were disabled move to OFF
    if (runState == DISABLED) {
      runState = OFF;
      printState(runState);
    }
    // Read in the button state to see if it has been pressed
    int buttonState = digitalRead(PUSH_BUTTON);
    if (buttonState != previousButtonState) {
      // Transition on LOW (released) state for most states
      if (buttonState == LOW) { // Released
        Serial.println("Released");
        switch (runState){
          case DISABLED: // Disabled -> Off
            // This state should never be hit, but is included for completeness.
