⚠
warning Chevrolet
Error Code 3 blinks
The safety belt reminder light signals to fasten the driver’s seatbelt by blinking three times.
? What Causes This
Driver is unbelted, or an object occupies the front passenger seat with passenger airbag enabled.
✓ How to Fix It
Buckle your seat belt or remove any large objects from the front passenger seat. Chime and flashing will stop once a properly restrained occupant is detected.
Source: page 168 of the official manual
From the manual
This error code appears in:
Chevrolet 2010 Impala