TM 10-3930-669-10 Table 2-1.  Controls and Indicators - CONT. Key Control/indicator Function 7 Transmission Speed Switch Press switch to change transmission from low range to high range and from high range to low range.  Indicator illuminates when transmission is engaged in high gear. 8 Steering Wheel Turns rear wheels left and right. 9 Steering Wheel Tilt Tab Releases lock to allow steering wheel to be tilted.  Lift tab to adjust steering wheel forward or back. 10 Horn Button Press to sound horn. 11 Front/Rear Light Press left switch to top position to turn on front light, and center position to turn on gauge lights, mast light, and taillight. Press right switch to top position to turn on rear light. 12 Broken Belt Indicator Illuminates when engine fan belt is broken while engine is running. 13 Broken Belt Warning Buzzer Sounds when fan belt is broken while engine is running. 14 Fan Speed Switch Controls fan speed.  Two position switch.  Push switch up for ON speed.  Push switch down for OFF speed. 2-3