Its a whole led unit replace whole deal not bulb
For a 1997 Mercury Sable : ( DOT 3 brake fluid meeting Ford specification ESA-M6C25-A )
'P'arking or emergency brake
To replace the brake line on a 1999 Mercury Sable, first, safely lift the vehicle and secure it on jack stands. Locate the damaged brake line, then use a line wrench to disconnect it from the brake components and remove any mounting clips. Cut and replace the line with a new pre-bent brake line, ensuring proper routing and securing it with clips. Finally, bleed the brake system to remove any air before testing the brakes.
DOT 3 brake fluid
What kind of brake problem(noise,pulling)?
3/16
On a 1999 Mercury Sable : In the fuse panel by the brake pedal : ( # 17 is a 30 amp fuse for the front wiper / washer )
If you mean the exclamation point and the " P " above the word " BRAKE " in the lower right side of the gauge cluster in a 1998 Mercury Sable that means either the parking brake / emergency brake is on , or the brake fluid level in the brake master cylinder in your engine compartment is LOW
dot 3
In the Haynes workshop manual
A lubricant on your 1995 Ford Mercury emergency brake can help to get it unstuck. Tapping on the emergency brake with a rubber mallet might also help.