CONTROLS AND INDICATORS 14.1.1 SWITCHES AND CONTROLS 28 27 26 25 24 23 22 21 20 38 37 36 29 30 35 31 32 34 33 75_001 20 - Brake fluid warning light 21 - Air filter warning light 22 - Parking brake warning light 23 - Charging current warning light 24 - Driving direction switch indicators 25 - Engine oil-pressure warning light 26 - Direction indicator control lamp 27 - Air preheater control lamp 28 - Heated rear windscreen indicator 29 - Working lights switch and control lamp 30 - Driving range switch and control lamp for speed up to 12.43 mph (20 km/h) 31 - Coolant temperature indicator 32 - Operating hour meter 33 - High beam control lamp 34 - Low beam control lamp 35 - Fuel supply indicator 36 - Rear windscreen wiper switch and washer 37 - Front windscreen wiper switch and washer 38 - Hazard flasher switch and control lamp 50