Designed to measure the pneumatic pressure of gas or fluid, a Nissan Titan air gauge is an essential component of your Truck. It is either placed on your dashboard or can be mounted on the side pillar of the driver. It is also used for measuring air pressure in the tires of your vehicle. You can monitor its reading through the digital readouts needles and analog displays. Certain Nissan Titan air pressure gauges have an automatic set-up for monitoring the air pressure. As per your convenience, you can also place the gauge in a radio slot.