Brake Warning Indicator Always On. Pontiac Sun Runner - 2WD (Canada) 1998

For 1990-2009 cars

Causes | Correction
--- | ---
Air in the brake system | Bleed the brake system.
Leaking brake pipe/connection | Locate and fix the brake pipe/connection.
Parking brake switch circuit grounded | Locate and fix the short to ground in the parking brake switch circuit.
Parking brake not released | Release the parking brake lever.
Low brake fluid | Add brake fluid in the master cylinder reservoir.
Leaking caliper piston seal | Replace the caliper piston seal.
Leaking master cylinder (internally) | Repair/replace the master cylinder.
Uneven brake linings | Replace the brake linings.