An arrow on the
instrument panel cluster
flashes in the direction of
the turn or lane change.
Move the lever all the way up or down to signal a turn.
Raise or lower the lever until the arrow starts to flash to signal a lane change. Hold it there until the lane change is complete.
The lever returns to its starting position when it is released.
If after signaling a turn or a lane change the arrows flash rapidly or do not come on, a signal bulb could be burned out.
Have the bulbs replaced. If the bulb is not burned out, check the fuse. See Fuses and Circuit Breakers.
Chevrolet Cobalt Service & Repair Manual. Noise, Diagnosis
A visual inspection must always
be performed to confirm the presence of aftermarket components, potential
collision damage, or areas of concern.
A noise produced by a vibration
can be diagnosed in the same manner as a vibration. A noise produced by
wind, leaks, or ...