The price of a 1995 Mercury Sable brake line system, would depend on where the parts were bought, and what specific brand type of the parts. Usually, better deals are found online than in stores.
For a 1997 Mercury Sable : ( DOT 3 brake fluid meeting Ford specification ESA-M6C25-A )
'P'arking or emergency brake
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.
21 hours
On a 2001 Mercury Sable : The automatic transaxle ( transmission ) fluid level dipstick is near the firewall , in the area of the brake fluid reservoir , in the engine compartment