De or het autobelettering?

The correct Dutch article is:

de autobelettering

Rule Words ending in -ing: almost always de. See the rule

How to use autobelettering

the autobeletteringde autobelettering
this autobeletteringdeze autobelettering
that autobeletteringdie autobelettering
our autobeletteringonze autobelettering
your autobeletteringjouw autobelettering
every autobeletteringelke autobelettering
which autobelettering?welke autobelettering?
a big autobelettering / the big autobeletteringeen grote autobelettering, de grote autobelettering