This song was on the simpsons, many people covered it on the Ukelele on
 Youtube. Many people asked for the chords. Nobody spit it up.

Here ya go!
     
 
     D                 A7
     Baby on bo-ard  how I've ado-red
                   oh
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          E7                        B7
     That sign on my ca-r's window pa-a-ne

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      D                    A7
     A bouce in my step ... loaded with pep

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               E7                    B7
     Cause I'm driving in the carpool la-a-ne

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      D                  A7
     Call me a square ... friend I don't dare

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          E7                         B7
     That little yellow sign can't be ignor-o-ored

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                  G
     I'm telling you it's mighty nice

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                    D7
     Each trip's a trip to paradise

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              A        D
     With my ba-by on board