Range Rover: Uniform tire quality grading
Quality grades can be found where applicable on the tire sidewall between the tread shoulder and maximum section width. For example:
Treadwear 200 Traction AA Temperature A.
In addition to the markings requirements, passenger care tires must conform to Federal Safety Requirements.
United states department of transportation
The following information relates to the tire grading system developed by the
National Highway Safety Administration which will grade tires by treadwear, traction
and temperature performance.
Not ...
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 would w ...
See also:
M+S tires
At temperatures below 45 °F(+7 °C), use
winter tires or all-season tires. Both types of
tire are identified by the M+S marking.
Only winter tires bearing the
snowflake
symbol in addition to ...
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If
the octane rating is less than 87, an audible knocking noise, commonly referred
to as spark knock, might be heard when ...
Overheated Engine Protection Operating Mode
If an overheated engine condition exists and the ENGINE POWER IS REDUCED message
is displayed, an overheat protection mode which alternates firing groups of cylinders
helps prevent engine damage. In ...
