See also:

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 ...

Manual operation
Fan speed control Turn the fan speed control dial to manually control the fan speed. Push the AUTO button to return to automatic control of the fan speed. Air recirculation Push the air reci ...

Automatic operation
Cooling and/or dehumidified heating (AUTO) This mode may be used all year round as the system automatically works to keep a constant temperature. Air flow distribution and fan speed are also ...