See also:

Airbag System Messages
SERVICE AIRBAG This message displays if there is a problem with the airbag system. Take the vehicle to your dealer for service. ...

Cadillac CTS Sport Wagon Preliminary Specifications
Vehicle type: four-door, five-passenger rear-wheel-drive/all-wheel-drive wagon Wheelbase: 113.4" / 2880mm Length: 191.3" / 4859 mm Width: 72.6" / 1842 mm Height: 59.1" / 1502 ...

Horn
Press on the steering wheel pad to sound the horn. ...