Before driving a vehicle with a dual brake system, the driver should:
Answer: Let the air compressor build up a minimum of 100 psi pressure in the primary and secondary systems
Answer: Let the air compressor build up a minimum of 100 psi pressure in the primary and secondary systems
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.