There is not a certain time but when it becomes dusky you turn them on.
should be with the head lights as an alternate switch or in combination with headlights, move switches in different combinations to see if you can get them to turn off
You have a weak ground connection.
when its dark
the ash lights come on when you turn your park/ head lights on are so you may have a faulty head light switch!
I've researched this on the Internet and apparently the trip odometer button also serves as the dimmer for the dashboard lights. If you turn it (anti)-clockwise, your dash lights should come on. Its mentioned obscurely in the manual.
Turn your head lights off before you shut the car off
they do
1. Check fuses. Should be near parking brake pedal. 2. If it's not a fuse, check to see if the bulb sockets have vibrated loose.
You should turn off all lights that you are not using.
The alternator is probably getting weak and not charging as much as it should. The belt could be loose and slipping some.
If you are driving with your bright lights on and can see an approaching vehicle, you should turn off your bright lights immediately.