For some reason on my car and my g/fz car the brake light turns on whenever the hell it wants, im not even pulling the ebrake and its on.. also our power steering is giving us problems at the same time, damn japanese are probably doing it on purpose and laughing at us. >
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Brake Light - 6G Celicas Forums
the light goes on when you activate you ebrake, and when you are low on brake fluid. fill it up.