Go to the Toyota Oman website and look for any link to an adress where you can email them or even a number to get in touch with them.
In the About Us section, there's a link to the Saud Bahwan group website, and there you will find a single email address for the entire group. Otherwise, in the Sales Network section, you can get the phone numbers of all their showrooms. That's it.
Conclusion: Saud Bahwan Automotive doesn't want to hear from you.
More on this later.