See also:

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.◀ ...

Checking the pressure
Only check the tire inflation pressure when the tires are cold. This means after a maximum of 1.25 miles/2 km driving or when the vehicle has been parked for at least 2 hours. When the tires a ...

Switching the microphone to mute
When a call is active, the microphone can be muted. 1. "Telephone" 2. "Active calls" 3. "Microphone mute" A microphone that has been switched to mute is automati ...