
Deadlocking renders the exterior and interior door controls inoperative. It also deactivates the manual central control button.
Therefore, never leave anyone inside the vehicle when it is deadlocked.

Using the key
Using the remote control

Deadlocking is confirmed by fixed lighting of the direction indicators for approximately two seconds. Depending on version, the door mirrors fold at the same time.

Folding the key
First press this button to fold the key.
If you do not press the button when folding the key, there is a risk of damage to the mechanism.
Chevrolet Sonic. Airbag System Check
The airbag system does not need regularly scheduled maintenance or replacement.
Make sure the airbag readiness light is working. See Airbag Readiness Light.
Caution
If an airbag covering is damage ...
Chevrolet Sonic. How to Add Coolant to the Coolant Surge Tank
Caution
This vehicle has a specific coolant fill procedure. Failure to follow this
procedure could cause the engine to overheat and be severely damaged.
If no problem is found, check to see if coo ...
Chevrolet Sonic. Leaving the Vehicle with the Engine Running (Automatic Transmission)
Warning
It can be dangerous to leave the vehicle with the engine running. It could
overheat and catch fire.
It is dangerous to get out of the vehicle if the shift lever is not fully
in P (Park) ...