"Dave" > wrote in message
ups.com...
>
> Chuck Tomlinson wrote:
>
>> Perhaps. I downloaded a 2005 Impala owner's manual from
>> the Chevrolet Owner's Center: various customization settings
>> (including the headlamp delays) are changed via the _radio_.
>
> Ummmm, what if you want an aftermarket radio?
>
> Dave
>

You'll loose the "chimes" too....those also are generated by the radio.