Question

Technician A says the appearance of tire wear indicator bars indicate that tire pressure is low and therefore pressure should be increased. Technician B says tire indicator bars are a quick visual warning that tire tread is worn down to the unserviceable level and the tires should be replaced.

Who is correct?

Answer 1

Tech B

Step-by-step explanation:

Answer 2

Technician A is absolutely right

Step-by-step explanation:

Tire pressure is measured by sensors that can sense the air amount in a tire and a tire can lose air/pressure if left still for long period of time doesn't mean that the tire unserviceable