Red "Stop" light usually means that the hydraulic system's turned its toes. On that car a hydraulic failure loses the brakes, suspension, power steering and a few other important things as well, hence the "Stop" indication.
Quite probably the hydraulic pump on its last legs, as it would seem you are suffering from a catastrophic pressure drop at low engine speeds. You definately should not be using the car in that state, it's very dangerous.
Edited by TeeCee on 17/07/2013 at 10:10
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