It's likely to be available as an optional extra costing at least £1,850. Not sure many folk are going to shell out that much in order to admit that they don't pay attention when driving...
I also don't like the idea of scientists leaving out "dried foot" to attract the creatures at a safari park. Don't they realise that once the beasts get a taste for foot no visitors' shoes will be safe from their animal appetites? Madness.