Check your fuses. The best way to locate and identify your fuses is to consult your owners manual.
Inside the dash on passenger side. Remove the speaker cover and speaker to the right of the glove box and its mounted back there all the way to the right
The front and back speakers are 6x9, there are also speaker holes in the front dash on the left and right. The dash speaker holes are small, like 3 1/2 or 4 inch.
The body computer is in control if the lights. It is on the back side of the under dash fuse box.The body computer is in control if the lights. It is on the back side of the under dash fuse box.
The fuses and relays are behind the dash on the right hand side of the vehicle, and a panel diagram should be provided on the back of the cover.
It means that one of the bulbs is out on one of your brake lights, whether it is the back window, right or left side, or in the spoiler.
undo the dash surround( two screws into the top, then pull out. undo all the screws mounting the dash panel, pul out flip over and the lights are right there, replace, then put back in..
There should be a roll switch right next to your light switch on your dash to dim the lights with.
5x7 in the back dash 3 1/2 in front dash
Look on fuse panel below dash on left side of steering column. Pull seat right back to see this properly.
The quickest wat is to directly wire the speaker to the radio. Buy some speaker wire, make sure you keep the - and + strait and connect the two right (one in door and one in the dash) speakers to the right/front wire on the back of the radio and do the same for the others, the back will have one speaker each to it.
Check for a loose ground wire - sounds like lights are backfeeding searching for ground
THey are only accessible from the back of the speedometer.