
To replace this bulb: 1. Open the trunk.
2. Remove the trunk trim and pull back fastener.
3. Disconnect the wiring harness by lifting up on the tab to release and pull it straight out.
4. Turn the bulb socket counterclockwise and pull it straight out of the taillamp assembly.
5. Pull the old bulb straight out of the bulb socket.
6. Push the new bulb straight into the bulb socket until it clicks.
7. Push the bulb socket into the taillamp assembly and turn it clockwise to lock it into place.
8. Push the wiring harness straight into the bulb socket and push down on the tab.
9. Reinstall the trunk trim and fastener.
Center High-Mounted Stoplamp (CHMSL)
Taillamps, Turn Signal, Stoplamps and Back-up Lamps (Sedan)Chevrolet Cobalt Owners Manual. Electronic Stability Control (ESC)/ Traction Control System (TCS)
Indicator/Warning Light
For vehicles with the
Electronic Stability
Control (ESC) system
or the Traction Control
System (TCS), the
indicator/warning light
comes on briefly when
the engine is started.
If it does not, have the vehicle serviced by the
dealer/retailer. If the system is working normally the
indicator ...