Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Ignition Transmission Lock Check

While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position.

On all vehicles, the ignition key should come out only in LOCK/OFF.

Contact your dealer if service is required.

Transmission Unit
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Transmission Adaptive Functions
The 6T30/40/45/50 transmission utilizes a line pressure control system during upshifts to compensate for the normal wear of transmission components. As the apply components within the transmission ...

Other materials:

Engine Oil Cooler Assemble
Caution: Refer to Fastener Caution. Install the engine oil filter cap (1) along with a NEW seal ring (2) and a NEW oil filter element (3) and tighten to  25 Y (18 lb ft). Install the engine oil pressure indicator switch (5) and ...

Electronic Ignition System Description
Electronic Ignition System Operation The electronic ignition system produces and controls the high energy secondary spark. This spark ignites the compressed air/fuel mixture at precisely the correct time, providing optimal performance, fuel economy, and control of exhaust emissions. ...

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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