A method for cooling a sensor of a vehicle, the method including receiving temperature data corresponding to the sensor from a temperature monitor; and in response to determining that a current temperature of the sensor being greater than a first threshold temperature, initiating a cleaning cycle and directing cleaning fluid to the sensor.

A fresh air device for a control unit of a road making machine includes an element with at least one outlet opening for fresh air and a holder for the element, wherein the element is adjustable into different positions relative to the control unit by means of the holder.

There is disclosed a climate controlled vehicle 11 comprising: a prime mover 21; a transport climate control unit 14; a vehicle power network 204 comprising: an alternator 205 configured to be driven by the prime mover when the prime mover is active, a primary battery 210 electrically connected to the alternator for charging; a secondary battery 211 electrically connected to the alternator for charging; power supply terminals 207 connecting the vehicle power network to the transport climate control unit; a switch 206 having a closed configuration in which the primary battery and the second battery are electrically coupled to the alternator for charging and an open configuration in which the secondary battery and the power supply terminals are isolated from the primary battery to prevent power supply from the primary battery to the transport climate control unit. The transport climate control unit is connected to the power supply terminals of the vehicle power network to receive power from the alternator when the prime mover is active and the switch is closed, and to receive power from the secondary battery when the prime mover is inactive and the switch is open. A controller 260 is configured to determine whether to maintain operation of the transport climate control unit or to deactivate the transport climate control unit, based on a power setting for the transport climate control unit.