An object in front of a vehicle is detected. When errors result in receiving the encoded video, the client device may use an Internet Protocol connection to recover from the error. The client outputs a printing requirement, which specifies print data of interest and a printer as an output resource, to the print portal system. The photodetectors can be read in parallel, and each photodetector includes a unique spectral filter. An advertisement associated with the occupied location of the available parking is determined and the display of the advertisement on the mobile device is provided after receiving the indication that the user has occupied the available parking.