Chevrolet Sonic Owner's Manual: Vehicle Data Recording and Privacy
The vehicle has a number of computers that record information about the vehicle’s performance and how it is driven. For example, the vehicle uses computer modules to monitor and control engine and transmission performance, to monitor the conditions for airbag deployment and deploy them in a crash, and, if equipped, to provide antilock braking to help the driver control the vehicle. These modules may store data to help the dealer technician service the vehicle. Some modules may also store data about how the vehicle is operated, such as rate of fuel consumption or average speed. These modules may retain personal preferences, such as radio presets, seat positions, and temperature settings.
Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this,
notify General Motors.
Call 1-800-222-1020, or write:
Chevrolet Motor Division
Chevrolet Customer Assistance Center
...
Event Data Recorders
This vehicle is equipped with an event data recorder (EDR). The main purpose
of an EDR is to record, in certain crash or near crash-like situations, such as
an air bag deployment or hitting a road ...
Other materials:
Crankshaft Front Oil Seal Replacement
Special Tools
EN-960 Installer
EN-45000 Remover Oil seal
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement.
Place a drain pan underneath the front crankshaft seal area.
...
Engine Coolant Temperature Sensor Replacement (Radiator)
Engine Coolant Temperature Sensor Replacement - Radiator
Callout
Component Name
Preliminary Procedures
Drain the cooling system. Refer to Cooling System
Draining and Filling.
1
Retaining ...
Knock Sensor System Description
Circuit/System Description
The knock sensor system enables the engine control module (ECM) to control
the ignition timing for the best possible performance while protecting the engine
from potentially damaging levels of detonation. The ECM uses the knock sensor
system to test for ...
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