Do not pump the brakes. Just hold the brake pedal down firmly and let antilock work. A slight brake pedal pulsation might be felt or some noise noticed, but this is normal.
Antilock Brake System (ABS)
Braking in EmergenciesChevrolet Cobalt Service & Repair Manual. Ignition Switch, Replace
1.
Remove steering column trim covers.
2.
Disconnect ignition switch harness
connector.
3.
Turn ignition switch to Run position.
4.
Remove ignition switch screws, then
ignit ...