See also:

Languages
The vehicle supports English, French (Canadian), and Spanish. The default language is English. To change the display language, see Vehicle Personalization on page 5‑33 for more information. ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Manual Seats
Manual Seats A. Seat Adjustment Handle B. Driver Seat Height Adjustment Lever C. Seatback Lever To adjust a manual seat: 1. Lift the handle (A) under the seat to unlock it. 2. Slide the seat ...