Simply explain that you are the one responsible for the standard of care home they end up in. If they don't ditch the Agila, its the creepy one with the busted windows and the smell of urine for them. Works on my parents...well, it used to, I guess I am not around enough now to enforce it. He changed his BMW 530i Sport for a Mercedes E320CDI Estate, and keeps going on about MPG...
[V]