See also:

Remote Keyless Entry (RKE) System
The RKE transmitter is used to remotely lock and unlock the doors from up to 60 m (195 feet) away from the vehicle. Press to unlock the driver door. Press again within five seconds to ...

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

California Perchlorate Materials Requirements
Certain types of automotive applications, such as airbag initiators, seat belt pretensioners, and lithium batteries contained in remote keyless transmitters, may contain perchlorate materials. S ...