King Price Insurance promising people petrol vouchers knowing very well we won't be able to redeem it.

King Price Insurance is running a campaign that if you make a car insurance quote with them they will give you a voucher of R350.00 with no obligations for you to join their insurance. I did make that quote and they send me a voucher which you can only redeem at BP garage. I went to 3 garages already and they told me that they have no idea about it. They have send me a massage twice already reminding me to redeem because the voucher will expire in 30 days. I called them(spoke to Della or Bella) today to make them aware that I am unable to redeem the voucher. The lady told me that the parcipating garage are only in Pretoria which they they didn't specify when they called and promised the voucher. I mean it doesn't make sense to me to drive from JHB to Pretoria to go and claim the R350.00. The was not transparency here.