See also:

Traction Control System (TCS)
The vehicle has a Traction Control System (TCS) that limits wheel slip. The system operates if it senses that one or both of the front wheels are slipping or beginning to lose traction. When ...

Customer Assistance for Text Telephone (TTY) Users
To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Buick has TTY equipment available at its Customer Assistance Center. Any TTY user can comm ...

Ultrasonic Parking Sensor Light
This light comes on to indicate that there is a malfunction in the system. See your dealer for service. See Ultrasonic Parking Assist  and Driver Information Center (DIC)  for more infor ...