Section 484D.285 - Conditions for use of compression brakes; penalty1. The driver of a vehicle which is equipped with a device for braking that uses the compression of the engine of the vehicle shall not use the device at any time unless: (a) The device is equipped with an operational muffler; or(b) The driver reasonably believes that an emergency requires the use of the device to protect the physical safety of a person or others from an immediate threat of physical injury or to protect against an immediate threat of damage to property.2. A person who violates the provisions of this section is guilty of a civil infraction punishable pursuant to NRS 484A.703 to 484A.705, inclusive.(Added to NRS by 2003, 403; A 2021, 3340, effective January 1, 2023)-(Substituted in revision for NRS 484.6055) Amended by 2021, Ch. 506,§61, eff. 1/1/2023.(Added to NRS by 2003, 403)-(Substituted in revision for NRS 484.6055 )