Brain Teaser – 15 June

I am a word of six; my first three letters refer to an automobile; my last three letters refer to a household animal; my first four letters is a fish; my whole is found in your room. What am I?

Which seven-letter word contains dozens of letters?

This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face. What is it?