See also:

Horn
Press near or on the horn symbols on the steering wheel pad to sound the horn. ...

Trunk
WARNING: Exhaust gases can enter the vehicle if it is driven with the liftgate, trunk/hatch open, or with any objects that pass through the seal between the body and the trunk/hatch or liftgate ...

GM Mobility Reimbursement Program (U.S. and Canada)
This program is available to qualified applicants for cost reimbursement of eligible aftermarket adaptive equipment required for the vehicle, such as hand controls or a wheelchair/scooter ...