Utah Code Ann. § 41-6a-212
(1) Subject to Subsections (2) through (5), the operator of an authorized emergency vehicle may exercise the privileges granted under this section when:
(2) The operator of an authorized emergency vehicle may:
(3)
(a) Except as provided in Subsection (3)(b), privileges granted under this section to the operator of an authorized emergency vehicle, who is not involved in a vehicle pursuit, apply only when:
(4) Privileges granted under this section to the operator of an authorized emergency vehicle involved in any vehicle pursuit apply only when:
(a) the operator of the vehicle: