Brake Warning Indicator System Check

1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4SECTION Brake Warning Indicator System Check
WARNING: This page is about a different car, the 1999 Pontiac Grand Am and 1999 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure parking brake is not applied. Turn ignition on. BRAKE indicator should come on briefly. If BRAKE indicator does not operate as specified, go to BRAKE WARNING INDICATOR ALWAYS ONΒ  or BRAKE WARNING INDICATOR INOPERATIVEΒ  under SYMPTOM TESTS.
  2. Apply parking brake. BRAKE indicator should come on. If BRAKE indicator does not operate as specified, go to BRAKE WARNING INDICATOR INOPERATIVEΒ  under SYMPTOM TESTS.
  3. When brake fluid level is low, BRAKE indicator should come on. If BRAKE indicator does not operate as specified, go to BRAKE WARNING INDICATOR INOPERATIVEΒ  under SYMPTOM TESTS.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.