I have to love your business decision to not put a spare tire in your cars anymore. I suppose it shows confidence in the tire industry which shows the progress it has made in the last few decades.
And your further business decision to charge extra for "road rescue" service means that if your car does have a flat tire you make your customers have your cars towed to your place to get them fixed at their expense.
I suppose the calculation you make is that for the time being the number of customers you tick off and will never rent from you again is smaller than the amount you make and save in by not having good customer service.
I guess your risk management people used to work for one of the cellphone companies.