Rbry Dunday he gave his car a good polishing.    From Wordnet, Princeton University. 

Verb (used with object) : to polish a brass doorknob. ,His speech needs polishing.    From Dictionary.com. 

Verb (used without object) : a flooring that polishes easily.    From Dictionary.com. 

Noun : shoe polish. ,the polish of a professional singer.    From Dictionary.com. 

Like you mentioned the books really cater to all people who are interested in polishing their social behavior.    From Wordnik.com.  [African-American Etiquette | Edwardian Promenade] Reference

He intended to spend the first two months of the fall school term polishing the essay, and correcting mistakes.    From Wordnik.com.  [Epics] Reference

There were good ideas, interesting characters perhaps but a great deal more effort in polishing and shaping was required in many cases.    From Wordnik.com.  [Giving Writers a Chance] Reference

After the Restoration the idea of polishing one's parts by foreign travel received fresh impetus.    From Wordnik.com.  [English Travellers of the Renaissance] Reference

I'll show you the pleasures of sword polishing by day and we'll watch gladiator movies and wrestle till dawn.    From Wordnik.com.  [Archive 2004-10-24] Reference

A last minute frenzy of tweakings, single word changes and massaging and polishing, which is pretty much par for my course.    From Wordnik.com.  [Friday follies] Reference

I’ve posted my own work on the blog and gotten great critical input from other writers, and it’s helped me in polishing my work.    From Wordnik.com.  [Writer Unboxed » Blog Archive » INTERVIEW: Flogging the Quill’s Ray Rhamey] Reference

So polishing is good.    From Wordnik.com.  [early weekly] Reference

In 1831 she was engaged in polishing the style of.    From Wordnik.com.  [Biography in the DNB] Reference

But the sentinel still required "polishing" out of the court-yard!.    From Wordnik.com.  [Captain Canot or, Twenty Years of an African Slaver] Reference

We have an ecosystem also for producing and "polishing" knowledge.    From Wordnik.com.  [David Weinberger: Andrew Keen's Best Case] Reference

And so I've been working on that, kind of polishing it and honing it and seeing what will happen to it.    From Wordnik.com.  [Looking for History: Dispatches from Latin America] Reference

Paul was engaged in polishing.    From Wordnik.com.  [The Shadow and the Flash] Reference

We've prepared so far and now it is kind of polishing up, getting ready.    From Wordnik.com.  [Newsvine - Get Smarter Here] Reference

In order to make their contributions the young ladies did various kinds of work, such as polishing shoes, shampooing and washing.    From Wordnik.com.  [Women and the War in North Carolina] Reference

Merriam-Webster does mention it and I get the sense that this meaning comes from the "polishing" or "enhancing" effect of body building.    From Wordnik.com.  [podictionary - for word lovers - dictionary etymology, trivia & history] Reference

Workshop has been organized to help singers work on a song with which they'd like help "polishing" with a Musical Director and Director.    From Wordnik.com.  [BroadwayWorld.com Featured Content] Reference

I am giggling at the idea of polishing my body.    From Wordnik.com.  [President's Day Activities] Reference

On final "polishing" of the constitutional package for.    From Wordnik.com.  [ANC Daily News Briefing] Reference

It’s just the sanding and polishing which isn’t so much fun.    From Wordnik.com.  [Flaming Acrylic : KillerCodingNinjaBunny] Reference

After polishing a new draft, they raised Clinton on the phone.    From Wordnik.com.  [Clinton's Growing Pains] Reference

Bloom takes pains to praise Roth's gifts -- even his zeal in polishing furniture.    From Wordnik.com.  [A Tale Of Exes And Ohs] Reference

This diner hopes Cam attends to some necessary polishing on the ground floor first.    From Wordnik.com.  [A bit of France lands in Bethesda Cam's bistro brightens the dining scene] Reference

Presentation perfection: Endlessly polishing charts, graphs and other snazzy doodads.    From Wordnik.com.  [Computer Games] Reference

Later they're polishing student résumés and calling in favors to get summer internships.    From Wordnik.com.  [The Fine Art of Letting Go] Reference

Still, half admit their company still needs some work in polishing its "social reputation.".    From Wordnik.com.  [Ceo Survey: Cuts In Staff, But Not In R&Amp;D] Reference

The ladies of the parish volunteer, swabbing the tile floors and polishing the mahogany pews.    From Wordnik.com.  [The Pennsylvania Polka] Reference

Rather than polishing their images, their books explore the darkest moments of the writers 'lives.    From Wordnik.com.  [Secrets and Lies] Reference

If the bad moments on the job outnumber the good, the best health choice may be to start polishing your resume.    From Wordnik.com.  [Five Reasons Your Office Is Bad for You] Reference

"He spent a startling amount of time over nearly sixty years polishing a cameo of boyish helplessness and frustration.".    From Wordnik.com.  [A Dark and Stormy Life] Reference

He had his staff polishing the walls and corridors of the setting of a clinic every morning to get exactly the right feeling.    From Wordnik.com.  [Filmmakers] Reference

This marks the second time in one year that the former P.M. has been credited with polishing his country's international image.    From Wordnik.com.  [Out Of The Shadows] Reference

Cheryl Gould, who oversees his new CNBC show, "Kudlow & Cramer," says he's obviously working hard at polishing his television skills.    From Wordnik.com.  [Once An Addict...] Reference

Left without duties when Nussbaum quit the White House, Tripp spent much of the day polishing her resume and sending out caustic e-mail.    From Wordnik.com.  [Clinton And The Intern] Reference

Kids who briefly muddied their feet and chanted against the war are now polishing their shoes and smiling noncommittally at the candidates.    From Wordnik.com.  [AT HARVARD, SKEPTICS RULE] Reference