Nissan’s body-on-frame midsize SUV, built on the same F-Alpha underpinnings as the Frontier and Pathfinder of the era. The second-generation Xterra (N50) ran from 2005 to 2015 with the 4.0-litre VQ40DE V6. These guides cover the combination-meter self-test, the NATS security light, idle relearn, key-fob battery and TPMS for the N50.