"SERVICE STABILATRAK"/"STABILITY CONTROL OFF" LIGHT (YELLOW TRIANGLE)/MESSAGE CAME ON FOR NO APPARENT REASON WHILE DRIVING DOWN THE ROAD. DEALER RESET AND SAID I PROBABLY PUSHED SOME BUTTON ON THE DFC. DRIVER INFO BUTTONS DO NOT AFFECT STBILITY CONTROL
Replaced master cylinder and vacuum booster due to internal leak of master cylinder into booster.
Emergency brake/traction illuminates and rings. dealer entered "insufficient brake fluid", they topped off.
p0171 emission controls code returned. Dealer dropped gas tank & replaced gas vent solenoid which (+$850) proved to not be the fault. The problem was a master cylinder leaking into the vacuum booster (+$550)
ABS,Traction and stability control light on dash
Master brake cylinder started to leak causing console screen displays of "Brake System needs servicing" and "Stabilitrak turned off".
Found increased Copper level in Brake Fluid whaich had been replaced 18,000 earlier. Flushed and replaced brake fluid.
Stablitrac warning indicated. Sensor had to be replaced.
Service Brakes lite on and traction control light off, Dealer stated it was because the brake fluid was low. Replaced brake fluid, so far so good.
Also had oil change and tire rotation (free) for saturn customers!
Sensor for the ABS and traction control became loose and was worn off by tire.