[V8] autolock key batteries

[Bastian Homburg]

Yes. When your car has the factory infrared remote lock, the "bulb" 
emits only infrared light. There`s no visible light like with the 
standard key that you get without the remote lock option. I guess the 
engineers thought that with the remote, there wouldn`t be a need for 
providing illumination for easier keyhole access.

Check your owners manual for the "learning" procedure - it is covered in 
detail there.
If you don´t have one (and speak German) - I have  digitized  one of 
mine and made it available to the public in .pdf format here: 
http://www.audiv8.com/german/faq/Betriebsanleitung_Audi_V8_1992.pdf.
 

Ed Kellock wrote:
> The small bulb does not emit any illumination as in that which could
> be used to see the keyhole.  Should it?  Is it only intended to emit
> the invisible signal to the receive on the door post?
>