2 Questions about FIAT BRAVO

Hi all, I've 2 quest about my Fiat Bravo. 1 - I've miss the instruction book of car radio and I'm not able to modify the time! Anyone can help me? i'm deprived of hope..
2 - My Fiat is a 1.9 jtd, and when i push the gas the muffler do many black smoke. is it normal? Thanks for answere
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