New car has broken down after 10 miles - Can we reject?

My daughter purchased a used Volkswagen Polo from a dealer today. However, on the drive home, the engine warning light came on and the engine started to run very poorly. Can she reject the car and ask for a full refund?

Asked on 3 April 2016 by Mark Hoare

Answered by Honest John
In theory, yes. The new Consumer Rights Act of 2015 has yet to be tested in court, but there is plenty of other legislation and case law to support her case:
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