1999 Mercury Mystique center high mount stop (third 3rd brake light) light bulb lamp replacement: Purchase the correct replacement center high mount stop (third 3rd brake light) bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the center high mount stop (third 3rd brake light) bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. If there are multiple bulbs, you may want to consider replacing all at the same time in order to keep brightness and color equal (optional).
Either the emergency brake is on or the brake fluid level is LOW in the brake master cylinder in your engine compartment
This is usually cause by a stuck brake light switch on the brake pedal. Replace it.
Why ? Just replace it.
Just unscrew it.
park light circuit.
That's the overdrive off light
Just unscrew the rear brake light, turn out the socket, and replace the bulb.
Its a whole led unit replace whole deal not bulb
check your brake lights if they not worhing replace fuse or brake light switch
I have a 98 mystique, and when the check engine light comes on, I simply disconnect the positive battery terminal for a couple of minutes. When I replace it, the check engine light is cleared. It resets the computer.
There is a battery light above the engine temperature gauge
Remove the wing nuts from inside the trunk, the assembly will pop out.