Ultra high strength steel (UHSS) means the steel from 980 MPa or higher.

Never cut and joint the panel, plate and reinforcement made of ultra high strength steel (UHSS).
If such part is damaged, replace the part.
Precautions for High Strength Steel (HSS) and Ultra High Strength Steel (UHSS)
Rear Fender Hemming ProcessInspection
WARNING:
APPEARANCE
Road Wheel
Check road wheel for deformation, cracks, corrosion and other damage.
Check wheel nuts for looseness by using torque wrench.
Wheel nut tightening torque Refer to ROAD WHEEL TIRE : Exploded View.
Tire
Check entire circumference and both sides of each tire for deform ...
Warning and indicator lights
Red light
Brake warning light
Charge warning light
Electric power steering warning light
Electric shift control system warning light
Electronic parking brake warning light
Engine oil pressure warning light
Hands OFF warning light
Master warning light
...
Ventilated seats
Basic information
CAUTION
In the Nissan Armada, avoid using the ventilated seat system for long
periods when the seat is unoccupied to prevent unnecessary wear and energy consumption.
Do not place heavy, sharp, or pointed objects on the Nissan Armada seats,
as this may damage the intern ...