PRIMARY CONTROLS 2ND PART

What is the function of the antilock brakes?

Answer explanation

It helps to prevent wheels from locking and losing traction.

What is ABS?

Answer explanation

It is an antilock braking system ABS.

What is the NHTSA?

Answer explanation

It is  National Highway Traffic Safety Administration (NHTSA)

What is the function of the auxiliary brakes and retarders.

Answer explanation

They reduce the vehicle’s speed without using the service brakes.

Which are the four basic classes of auxiliary brakes and retarders?

Answer explanation

Exhaust breaks, Engine breaks, Hydraulic retarders & Electric retarders.

What is the interaxle differential lock for?

Answer explanation

It is a primary control that unlocks and  locks the rear tandem axles.