OM3241 Operation - Section 32 Operator Cab and Controls Page 32-1 OPERATOR CONTROLS FIGURE 32-1. CAB INTERIOR - OPERATOR VIEW 1. Steering Wheel and Controls 2. Service Brake Pedal 3. Dynamic Retarder Pedal 4. Throttle/Accelerator 5. Heater/Air Conditioner Vents 6. Heater/Air Conditioner and Controls 7. Instrument Panel 8. Grade/Speed Warning Chart 9. Radio Speakers 10. Warning Alarm Buzzer 11. Radio, AM/FM, CD Player 12. Warning Lights Dimmer Control 13. Warning/Status Indicator Light Panel 14. Air Cleaner Vacuum Gauges 15. Windshield Wipers