See also:

Tire tread
WARNING Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we recomm ...

Warning and indicator lamps
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Opening and closing
Overhead control panel 1 To raise 2 To open 3 To close/lower The panorama roof with power tilt/sliding panel can only be operated when the roller sunblind is open. If the front roller ...