
To lock or unlock the doors from outside the vehicle:
or
on the Remote Keyless Entry (RKE)

To lock the doors from inside the vehicle:
on the central locking
To unlock the doors from inside the vehicle:
on the central locking
See Door Locks. See Central Locking System.
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. Tire Chains
Warning
Do not use tire chains. There is not enough clearance. Tire chains used on
a vehicle without the proper amount of clearance can cause damage to the brakes,
suspension, or other vehicle pa ...
Chevrolet Sonic. Traction Control System (TCS)/StabiliTrak® Light
The StabiliTrak or Traction Control System (TCS) indicator/warning light comes
on briefly when the engine is started.
If the light does not come on, have the vehicle serviced by your dealer. If t ...