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:
Starting the Engine
The vehicle has a Computer-Controlled Cranking System. It assists in starting
the engine and protects components. If the ignition key is turned to START and then
released when the engine begins cranking, the engine will continue cranking for
a few seconds or until the engine starts. If the eng ...
DIC Operation and Displays
The DIC has different displays which can be accessed by using the DIC buttons
on the turn signal lever on the left side of the steering wheel. The DIC displays
trip, fuel, and warning messages if a system problem is detected. See Trip Computer and Vehicle Messages.
DIC Buttons
1. SET/C ...
Parking Brake Indicator Switch Replacement
Removal Procedure
Remove the front floor console. Refer to Front Floor Console Replacement.
Ensure that the park brake lever is in the fully released position.
Disconnect the electrical connector from the park brake warning indicator
switch.
Remove the park ...
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