when I turn my headlights on the the bulb warning light comes on my car just hit on 1990 Volvo 740

It just hit the 20000 mark could it be something in the drive shift, is it hard to change the bump stop.

Asked by for the 1990 Volvo 740
could be rear light or brake light ck all lights
1 more answer , 1 more comment
Bulb warning lamp is intended to let you know that a lamp may not be working. Check all of your stop lights, tail lights and running lamps.
Thank you i Will check all the lights