Laser Beam Aiming Adjustment: Preparation

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Place the vehicle on level ground. Shift the transmission into "P" position and release the parking brake.
Adjust the tire pressure to the specified value.
See that there is no load in the vehicle. Coolant, engine oil and fuel should be filled to correct level.
Check that the vehicle suspension has been adjusted to the standard height by the load leveling rear air suspension system. Refer to "BASIC INSPECTION ".
Clean the sensor with a soft cloth.

Fig 1: Identifying ICC Sensor
Courtesy of NISSAN MOTOR CO., U.S.A.