Any stone chips, fractures or deep scratches in the finish should be repaired right away. Bare metal will corrode quickly and may develop into major repair expense.
Minor chips and scratches can be repaired with touch-up materials available from your dealer/retailer.
Larger areas of finish damage can be corrected in your dealer's/retailer's body and paint shop.
Chevrolet Cobalt Service & Repair Manual. Troubleshooting
When troubleshooting the hydraulic
brake system, perform the following inspections.
Master Cylinder Internal Fluid Leakage Check
Start engine and depress the brake
pedal. If the pedal gradually falls under constant pressure, the hydraulic
system may be leaking. Raise ...