Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Keyless Trunk/Liftgate Opening
Press the trunk/liftgate release
button located above the license
plate to open the trunk/liftgate if the
keyless access transmitter is within
range. See Trunk (Sedan, Coupe) for additional
...
Security Light
The immobilizer light should come on briefly as the engine is started.
If it does not come on, have the vehicle serviced by your dealer.
If the system is working normally, the indicator ligh ...