warning Buick

Error Code @B

Seatbelts not engaged warning - alerts driver and passengers to use seat belts for safety when in the vehicle.

? What Causes This

Passenger seats unoccupied or unbuckled, warning switch malfunction.

How to Fix It

Buckle all seatbelt systems before starting the journey. If false alarms continue, check electronic modules related to this function.

Source: page 135 of the official manual

From the manual

Manual page 135 — Buick error @B

This error code appears in:

Buick Enclave