Chevrolet Sonic Owner's Manual: Service Vehicle Soon Light
For vehicles with this light, it comes on if a condition exists that may require the vehicle to be taken in for service.
If the light comes on, take the vehicle to your dealer for service as soon as possible.
Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors
the operation of the vehicle to ensure emissions are at acceptable levels, helping
to maintain a clean environment ...
Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is
not working, the remaining circuit can still work to stop the vehicle. For normal
braking performance, both circuits ...
Other materials:
Forward Collision Alert (FCA) System
For vehicles with FCA, this system is intended to help avoid or reduce the harm
caused by front-end crashes. FCA provides a flashing visual alert and beeps when
approaching a vehicle directly ahead too quickly. FCA also provides a visual alert
if following another vehicle much too closely. The ...
Cylinder Head Cleaning and Inspection
Valve Cleaning and Inspection
Warning: Bodily injury may occur if the cleaning solvent is
inhaled or exposed to the skin.
Note: Do not scratch the valve stem with the wire brush.
Clean the valves of carbon, oil and varnish. Carbon can be remove ...
Camshaft Sprocket Installation
Install the intake camshaft sprocket (3).
Install the intake camshaft position sensor exciter wheel (2) and the intake
camshaft sprocket bolt (1), but do not tighten yet.
Install the exhaust camshaft sprocket.
Note: Tightening of camshaft sprocket bolts will ...
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