Abstract: A display apparatus for vehicle includes: a first display unit which is provided in a region within a horizontal width of a steering wheel when viewed from a driver, and which displays at least single piece of notification information regarding a state of the vehicle; a second display unit which is integrally formed with the first display unit, and which displays information in a region outside the horizontal width of the steering wheel when viewed from the driver; and a control unit which controls image-display on the first display unit and the second display unit. The second display unit includes an information-image display region which displays an information-image corresponding to the at least single piece of notification information, and a guide display region which displays a guide-image for guiding a driver's eye to a side of the information-image display region.

Abstract: A smart key system according to the present invention controls operations of devices mounted in a vehicle based on wireless communication between a control device mounted in the vehicle and a portable electronic key, and the control device includes a transmission circuit configured to output a request signal a predetermined number of times at predetermined times within a predetermined period in order to confirm authentication communication between the control device and a communication unit of the portable electronic key, and a communication mode switching unit configured to switch an authentication communication interval or an authentication communication time within the predetermined period of the request signal output from the transmission circuit of the control device if the authentication communication is not performed for a predetermined amount of time.