Oldsmobile 2000 Silhouette Owner's Manual page 323

The fuel filler door is located on the driver's side of
the vehicle.
When the fuel door is opened on a vehicle with dual
sliding doors, the driver's side sliding door will only
open partway.
6-6
While refueling, let the cap hang by the tether as shown.
To remove the cap, turn it slowly to the left
(counterclockwise). The cap has a spring in it; if you let
go of the cap too soon, it will spring back to the right.