WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
Remove the engine room cover bolts and engine room cover.
Fig 1: Identifying Engine Room Cover Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
Do not damage or scratch engine room cover when installing or removing.