The Infiniti QX70 (called the Infiniti FX from 2003 through 2013) is a mid-size luxury crossover SUV produced by the Nissan-owned Infiniti luxury vehicle brand. For the 2013 model year, it was named the Infiniti FX37. There is no on board programming procedure for the keyless entry remote fob smart key for the Infiniti FX37, therefore special equipment is required in order to program the keyless entry remote fob smart key.