The hydraulic clutch linkage in your vehicle is self-adjusting. This system does not have its own reservoir. It receives fluid from the brake master cylinder reservoir.
See Brakes on for more information.
Chevrolet Cobalt Service & Repair Manual. Door Lock Switch R&R
Refer to Fig. 1
when performing following procedure.
1.
Remove door panel pull cup trim plate.
2.
Remove armrest pull cup.
3.
Remove door lock switch and disconnect
electrical connector.
...