TE> Do you have the feature that turns your lights on and off
TE> automatically?? If so... you probably need to investigate.
TE>
TE> www.telstar-electronics.com
TE>

That'd be the Twillight Sentinel, but that turns on/off the headlights AND
taillights.

I'd check the bulbs and/or sockets. Although it has a low probability but it's
not impossible that both are gone/corroded. Or, the wiring harness at the
headlights' end (continuity tester). K.I.S.S.