Interacting with Machines

I have a complicated relationship with my GPS unit. On the one hand, it rarely works. Here's what happened the last time I turned it on. First, there was a five minute delay while it searched for the satellite signal. Then, it couldn't find the street I was searching for. Then, it found the street but lost the satellite signal. Then, it regained the signal but sent me in the wrong direction. And then, after I'd already gotten accurate directions off my phone, the GPS unit finally decided...