DOT Quality Grades
Treadwear
Traction AA A B C
Temperature A B C
Conform to Federal Safety Requirements
All passenger car tires must conform to
Federal Safety Requirements in addition to
these grades.◀
See also:
Adjusting
Vehicle
Equipment
...
BMW EfficientDynamics: BMW 5-Series increasing the lead.
BMW EfficientDynamics technologies are featured in appropriate combinations
on each model, including features such as Brake Energy Regeneration, Electric
Power Steering, a gearshift point indicato ...
External temperature
External temperature warning
If the display drops to +37 ℉/
+3 ℃, a signal sounds.
A Check Control message is displayed.
There is the increased danger of
ice.
Ice on roads
Even ...