When a truck has no air pressure in its tanks,which warning devices are activated when the ignition key is turned on?

Question

Quizplus · Accepted Answer

When a truck has no air pressure in its tanks and the ignition key is turned on, all of the mentioned warning devices are activated: a buzzer, a red light, and a dash gauge. These are standard safety features designed to alert the driver to the lack of air pressure, which is critical for the operation of the air brake system.

When a Truck Has No Air Pressure in Its Tanks,which