
Important consumer information including warranties and add-on equipment.
Chevrolet Sonic. OnStar Additional Information
Transferring Service
Press to request account transfer
eligibility information. The Advisor can assist in canceling or removing account
information. If OnStar receives information that vehicle o ...
Chevrolet Sonic. 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 ...
Chevrolet Sonic. System Settings
Auto Volume
This feature automatically adjusts the radio volume to compensate for road and
wind noise.
The level of volume compensation can be selected, or the feature can be turned
off.
1. Pre ...