Chevrolet Sonic Owner's Manual: OnStar
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview.
Roadside Assistance Program
U.S.: 1-800-243-8872
TTY Users (U.S. Only): 1-888-889-2438
Canada: 1-800-268-6800
As the owner of a new Chevrolet, you are automatically enrolled in the Roadside
Assistance program.
See Roadside ...
Other materials:
Data Link Communications Description and Operation
Note: This is an overview of different serial data buses used by GM
devices to communicate with each others. Use Data Communication Schematics to
find out which serial data buses are configured for a specific vehicle.
Circuit Description
There are many components in a vehicle t ...
Camshaft Timing Chain Installation
Special Tools
EN-952 Fixing Pin
EN-953-A Fixing Tool
EN-955-10 Fixing Pin from EN-955 Kit
For equivalent regional tools, refer to Special Tools.
The engine should be adjusted to TDC.
The crankshaft should be locked with EN-952 fixing pin.
The camshaft should be locked with EN-9 ...
Knock Sensor Replacement
Knock Sensor Replacement
Callout
Component Name
Preliminary Procedures
Disconnect battery negative cable. Refer to
Battery Negative Cable Disconnection and Connection.
Raise and support the vehicle. Refer to
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