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.
- For automatic transmission vehicles, the ignition should turn to LOCK/OFF only when the shift lever is in P (Park).
- For manual transmission vehicles, the ignition should turn to LOCK/OFF only when the shift lever is in neutral.
On all vehicles, the ignition key should come out only in LOCK/OFF.
Contact your dealer if service is required.
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:
Secondary Air Injection Check Valve Installation
Install a NEW secondary air injection check valve gasket (1).
Install the secondary air injection check valve (2).
Caution: Refer to Fastener Caution.
Install the 3 secondary air injection check valve bolts (3) and tighten
to 22 Y (16& ...
Fuel Tank Draining
Warning: Refer to Gasoline/Gasoline Vapors Warning.
Note: The fuel tank must be drained with a suitable, commercially-available
fuel removal unit and suction hose - follow safety regulations and national
legislation. The fuel tank is fitted with a refill limit float valve. T ...
Drive Range - Fourth Gear (Gen 1)
As vehicle speed increases, the transmission control module (TCM) processes input
signals from the automatic transmission input and output speed sensors, the throttle
position sensor and other vehicle sensors to determine the precise moment to command
OFF the normally-high 35R pressure control ...
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