OnStar Services

See also:

All-Wheel Drive
If the vehicle has this feature, engine power is sent to all four wheels when extra traction is needed. This is like four-wheel drive, but there is no separate lever or switch to engage or disenga ...

Interior
Like the previous Seville, five occupants fit inside the STS, which has soft all-leather seats. Heated and ventilated seating is an option. The headliner and pillars are covered in woven fabric. G ...

Storing a Station as a Favorite
Stations from all bands can be stored in any order in the favorite pages. Up to six stations can be stored in each favorite page and the number of available favorite pages can be set. Storing S ...