I had the same problem. The fuse for the radio either needs to be cleaned or replaced I believe it is the third fuse from the bottom on the left side of the fuse box. It effects the relay in some way. I changed the fuse (which was not blown) and cleaned the fuse contacts, haven't had a problem since.
a mis adjusted brake light switch could cause that fault.
If the warning lights will not turn off it could be the on and off switch. It could also be the relay switch.
Yes, the ignition on a trailblazer can cause head lights to work improperly.
You could try learning celsius like the rest of the world. ;-)
Yes, it could.
Blown fuse or defective brake light switch.
it could be a faulty alternator bring on all lights
Could have a short in your wire, a bare wire touching bare metal could cause it to ground out.
Bulbs burned out?
Could be the switch between the front seats, or a fuse, or a shortcircuit in the wire with power from the battery.
The light control module could be the cause of hazard lights coming on after the car is turned off. There could be a problem that has caused this module to become wet and it is now not working correctly.
either a fuse for dash or the light switch