Chevrolet Sonic Owner's Manual: Starter Switch Check
Warning
When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
1. Before starting this check, be sure there is enough room around the vehicle.
2. Apply both the parking brake and the regular brake.
Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts.
3. For automatic transmission vehicles, try to start the engine in each gear. The vehicle should start only in P (Park) or N (Neutral). If the vehicle starts in any other position, contact your dealer for service.
For manual transmission vehicles, put the shift lever in Neutral, push the clutch pedal down halfway, and try to start the engine. The vehicle should start only when the clutch pedal is pushed down all the way to the floor. If the vehicle starts when the clutch pedal is not pushed all the way down, contact your dealer for service.
Vehicle Storage
Warning
Batteries have acid that can burn you and gas that can explode. You can be
badly hurt if you are not careful. See Jump Starting for tips on working
around a battery without getting ...
Automatic Transmission Shift Lock Control Function Check
Warning
When you are doing this inspection, the vehicle could move suddenly. If the
vehicle moves, you or others could be injured.
1. Before starting this check, be sure there is enough room aroun ...
Other materials:
Heated Front Seats
Warning
If you cannot feel temperature change or pain to the skin, the seat heater
may cause burns. To reduce the risk of burns, people with such a condition should
use care when using the seat heater, especially for long periods of time. Do not
place anything on the seat that insulates again ...
Crankcase Ventilation System Inspection/Diagnosis
Results of Incorrect Operation
A plugged positive crankcase ventilation (PCV) orifice or hose may cause
the following conditions:
Rough idle
Stalling or slow idle speed
Oil leaks
Oil in the throttle body
Sludge in the engine
Functional Check
With thes ...
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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