I've been driving a '91 Corolla for many years and so never cared about
cleaning it or maintaining the exterior, but I just purchased a 2000
Accord with a like-new looking shiny white finish, and now I feel like
I'm behind the curve in knowing how to care for the paint/finish. What
are some tips for maintenance and safe reliable products for (that won't
do more harm than good)?

Thanks for any suggestions,
Jeff