WARNING: This page is about a different car, the 2019 Infiniti Q60. However, it is still accessible from the selected car via links, so may be relevant.
Drive mode select switch is set on the upper part of the center console.
For VR30DDTT engine models
The drive mode select switch is connected to the chassis control module and allows the driver to select a mode from PERSONAL, SPORT+, SPORT, STANDARD, ECO, and SNOW by the up/down operation.