Infiniti QX: Uniform tire quality grading
DOT (Department Of Transportation) Quality Grades: All passenger car tires must conform to federal safety requirements in addition to these grades. Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example:
Treadwear 200 Traction AA Temperature A
Flat towing
Towing your vehicle with all four wheels on
the ground is sometimes called flat towing.
This method is sometimes used when
towing a vehicle behind a recreational
vehicle, such as a motor home. ...
Treadwear
The treadwear grade is a comparative
rating based on the wear rate of the tire
when tested under controlled conditions
on a specified government test course. For
example, a tire graded 150 wou ...
See also:
Tow-starting (emergency enginestarting)
Vehicles with automatic transmission
must not be started by tow-starting. This
could otherwise damage the transmission. ...
Using wheel chocks
WARNING
Always chock the wheels using suitable wheel chocks. Place the chocks on both
sides of the wheel diagonally opposite the wheel to be changed.
If jacking the vehicle on a slight slope ...
Steering in Emergencies
There are some situations when steering around a problem may be more effective
than braking.
Holding both sides of the steering wheel allows you to turn 180 degrees
without removing a hand.
...
