OM3037 Operation - Section 3 Operating Instructions Page 3-13 OPERATOR CAB AND CONTROLS FIGURE 3-1. CAB INTERIOR - OPERATOR VIEW 1. Steering Wheel 2. Service Brake Pedal (See Note, page 3-13) 3. Retarder Pedal 4. Throttle (Accelerator) Pedal 5. Heater/Air Conditioner Vents 6. Heater/Air Conditioner Controls 7. Instrument Panel 8. Grade/Speed Chart 9. Radio Speakers 10. Warning Alarm Buzzer 11. Radio - AM/FM Stereo 12. Warning Lights Dimmer Control 13. Warning/Status Indicator Lights 14. Air Cleaner vacuum Gauges 15. Windshield Wipers