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 ...
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OnStar Description and Operation
This OnStar® system consists of the following components:
Telematics communication interface control module
OnStar® three button assembly
Microphone
Cellular antenna
Navigation antenna
Bluetooth® antenna (If equipped)
Back up battery (If equipped)
This system also interfaces wi ...
Generator Replacement (LUV)
Removal Procedure
Disconnect the negative battery cable. Refer to Battery Negative Cable
Disconnection and Connection.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the drive belt. Refer to Drive Belt Replacement.
Remove the drive bel ...
Drive Range, First Gear (Gen 1)
As the vehicle speed increases, the transmission control module (TCM) receives
input signals from the automatic transmission input and output speed sensors, throttle
position sensor and other vehicle sensors to determine the precise moment to deenergize
or ?urn OFF?the shift solenoid, and to c ...
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