Audi A4: Electrical System

 Tachometer

The tachometer (1) displays the engine speed in revolutions per minute (RPM). The beginning of the red zone in the tachometer indicates the maximum permissible engine speed for all gears once the engine has been broken in. Before reaching the red zone, you should shift into the next higher gear, sel

 Alternative routes

Applies to: vehicles with navigation system Fig. 146 Alternative routes in the overview map Opening alternative routes Requirement: route guidance must be started and the map must be displayed Press on in the side menu on the map fig. 143. Current route The distance to the destination and