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Your vehicle is fitted with air-assisted hydraulic brakes. What would warn you that there isn’t enough air in the system?

Braking Systems
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The exhaust brake won't work
Brake fade
An increase in pressure on the air gauge
A buzzer or light
← You're about to drive a vehicle fitted with hydraulic brakes. What should you check before driving the vehicle? Which coloured band on the rev counter makes the best use of engine braking? →

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