What typically happens when the low air pressure warning activates?
a.The engine shuts off
b.A red warning light and/or buzzer comes on
c.The transmission locks
d.The parking brake releases
Explanation
When air pressure drops to about 60 PSI or below, a low air pressure warning device activates. This is usually a red warning light, a buzzer (wig-wag), or both. The driver should stop immediately and safely when this warning activates.