Park Assist & Refund

1. Bought a car Nissan Xtrail at Bidvest Mccathy Toyota Bruma, they advertise that it had park assist in, on receiving the the car it didn't had park assist in, when i complain about it they told me the adverti*****t was incorrectly placed by the advertising company, I react on that adverti*****t. 2. The license and number plate fee, they told me that they will refund me, it's now more than 3 months without any refund...