Audi A4 2023 Owner's Manual page 221

Additional settings
Applies t o : vehicles with head-up display
Requirement: the vehicle must be stationary and
the ignition must be switched on. The head-up
display is switched off.
> To display the license text in the head-up dis-
play, press and hold the 7 button @
page 25, fig. 19 until the display appears.
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