The key should be in the OFF position when connecting the electrical connectors to ensure proper calibration. |
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Chevrolet Cobalt Service & Repair Manual. Headlamp Alignment, Adjust
Visual Aim
Headlamp aim should be inspected
when a new headlamp capsule is installed, or if service or repairs to the
front end area have, or may have, disturbed the headlamps or their mounting.
The area should consist of a level
surface large enough to allow for a v ...