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:
Engine Oil Cooler Removal
Remove the oil cooler coolant outlet hose clamp (1).
Remove the oil cooler coolant outlet hose (2) from engine coolant thermostat
housing.
Remove the oil cooler coolant inlet hose clamp (3).
Remove the oil cooler coolant inlet hose (4) from water outlet. ...
Range Selector Lever Cable Adjustment
Note: Adjust the automatic transmission range selector cable while
the transmission and the gear selector are in the Park position only. Failure
to do so may cause mis-adjustment.
Set the park brake and chock the wheels.
Verify the transmission range select lever is in the par ...
Control Valve Body Cover Replacement
Removal Procedure
Disconnect the battery negative cable. Refer to
Battery Negative Cable Disconnection and Connection.
Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
Remove the front bumper fascia opening lower cover.
Refer to Front Bumper ...
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