There are many causes to a broken horn. The best way to fix it would be to check the relay, change the fuse and change the clock spring usually located behind the airbag.
Hi ! In your Toyota Corolla the are is a horn sensor its a unit with belt or coiled wire it connects horn / air bag that one after steering repair you need to set it I think ITS BROKEN you need to buy new horn sensor and fix it. Stanford autos Bukoba Tanzania TEL +255 786 421 000
Take to someone who can fix it
In my 2004 Sienna there was a weld in the door assembly that broke and caused a loud clunking noise when I opened the door. Toyota recently issued a recall for this problem and will fix it free of charge
fix the vacuum leak
The following link has instructions, diagrams and pictures showing how to make this repair easily and inexpensively: http://www.findonefindall.com/toyota-sienna/siennareardoor.htm
To fix a Toyota Sienna driver's side seat belt that is stuck, you might need to pull the entire belt out slowly until it is completely extended. Then, allow the belt to retract slowly.
It is impossible. Buy a new one. Don't waste your time! I found a good fix @ http://www.findonefindall.com/toyota-sienna/ Please contact Toyota (phone number in your owner manual) to document this defect, the more complaints they receive, the better the chance of a recall. A more complete URL to the page referenced in the second answer is ... http://www.findonefindall.com/toyota-sienna/siennareardoor.htm I used that successfully to repair the broken rear door latch on my 2000 Toyota Sienna. ("Buy a new one" is ~$65. I made the repair with tools and screws lying around the house in about an hour's time. Repair at the dealer reportedly is ~$300.)
We have a fix for this problem that anyone can do - includes testimonials! http://www.findonefindall.com/toyota-sienna/index.htm See full details under "How do I replace the passenger side mirror on 2000 Toyota Sienna?
http://www.findonefindall.com/toyota-sienna/siennareardoor.htm Works like a charm. I spent $497.00 getting my 1999 Sienna handle fixed at the dealer, less than 2 yrs later it broke again. This fix took less than 30 mins and cost pennies.
You need to know what the problem is before you can fix it. Need to know if it is the fuse, the relay, the switch contacts, the horn or the clock spring (in some cases).
Take the animal to the vet. They will fix it.
It seems that you need new tires.