My Toyota Avalon transmission just quit working one day I had a friend clean out

What is your question?

It worked at first tge n just stops completely I turn it off tge n back on a few times and it went into gear again then after a few times it will not work at all wgmgat should I do

What makes this problem better or worse?

At first worked better when cold

How long has your 2003 Toyota Avalon had this problem?

A week