Chevrolet Sonic Owner's Manual: Automatic Headlamp System
When it is dark enough outside and the exterior lamp control is in the automatic position, the headlamps come on automatically. See Exterior Lamp Controls.
The vehicle has a light sensor on top of the instrument panel. Make sure it is not covered, or the headlamps will be on when they are not needed.
The system may also turn on the headlamps when driving through a parking garage or tunnel.
Lights On with Wipers
If the windshield wipers are activated in daylight with the engine on, and the
exterior lamp control is in AUTO, the headlamps, parking lamps, and other exterior
lamps come on. The transition time for the lamps coming on varies based on wiper
speed. When the wipers are not operating, these lamps turn off. Move the exterior
lamp control to 
or
to disable this feature.
Daytime Running Lamps (DRL)
DRL can make it easier for others to see the front of your vehicle during the
day. Fully functional DRL are required on all vehicles first sold in Canada.
This indicator light turns on in the ins ...
Hazard Warning Flashers
(Hazard Warning Flasher): Press
and momentarily hold this button to make the front and rear turn signal lamps flash
on and off. This warns others that you are having trouble. Press and momentar ...
Other materials:
Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines, transmission,
axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably
service General Motors c ...
Oil Pan Cleaning and Inspection
Warning: Wear safety glasses when using compressed air in order
to prevent eye injury.
Caution: To ensure proper engine lubrication, clean clogged or
contaminated oil galleries in an approved solvent and with compressed air.
Failure to clean oil galleries may cause ...
Camshaft Cover Replacement
Camshaft Cover Replacement
Callout
Component Name
Preliminary Procedures
Remove the ignition coil. Refer to Ignition Coil Replacement.
Remove the PCV hose. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube
Replac ...
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