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:
Radio and Telephone Control Switch Replacement
Radio and Telephone Control Switch Replacement
Callout
Component Name
Preliminary Procedure
Remove the sterring wheel inflatable restraint module. Refer to
Airbag Steering Wheel Module Replacement.
1
...
Cargo Cover (Hatchback)
Warning: An unsecured cargo cover could strike people in a sudden
stop or turn, or in a crash. Store the cargo cover securely or remove it from
the vehicle.
The cargo cover can be used to cover items in the rear of the vehicle.
To remove the cargo cover:
Remove both of the cords fr ...
Transmission Fluid Cooler Flushing and Flow Test
GM studies indicate that plugged or restricted transmission oil coolers and pipes
cause insufficient transmission lubrication and elevated operating temperatures
which can lead to premature transmission failure. Many repeat repair cases could
have been prevented by following published procedur ...
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