If the drivers door is opened with the ignition off and the lamps on, a warning chime will sound. This indicates that the headlamps are still on.
Chevrolet Cobalt Owners Manual. Remote Keyless Entry (RKE) System
See Radio Frequency Statement
for information regarding Part 15 of the Federal
Communications Commission (FCC) Rules and
RSS-210/211 of Industry Canada.
Changes or modifications to this system by other than
an authorized service facility could void authorization to
use this equipment.
If ther ...