# COMAR Title 29 — Department of State Police

## Subtitle 02 — Motor Vehicles

### Chapter 01 — Vehicle Inspection

#### Regulation .21 Defect 86—Low Air Warning Device.

*COMAR 29.02.01.21*

A. This regulation is applicable to all vehicles equipped with an air braking system.

B. The warning device, or devices, shall signal low air pressure in the braking system.

C. Do not certify if a warning device fails to function when air pressure falls below 60 psi.