Check Gas Cap Light
Buick Rainier / Buick Rainier Owners Manual / Instrument Panel / Warning Lights, Gages, andIndicators / Check Gas Cap Light

If your vehicle has this light, it will come on if your gas cap is not securely fastened.
See also:
Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors.
Call 1-800-521-7300, or write:
Buick Customer Assistance Center P.O. Box 33136 Detroit, M ...
Reclining Seatbacks
WARNING
You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving. Adjust the driver seat only when the vehicle is not moving.
WARNING
If either se ...
Theater Dimming
This feature allows for a three to five second fade out of
the courtesy lamps instead of immediate turn off. ...
