Purchased Argushire via an online car rental search. Found this was £50 cheaper than others and over £100 cheaper than going direct to actually supplier (in this case Avis). Wait for car was very long at LAX, maybe they were short staffed at Avis on the day in question. Buy your own satnav and bring it with you, far cheaper, as you can sell it again when you get home. Avis gave me a free upgrade on car which was very good. Return was a breeze, took 5 minutes. receipt given re condition, fuel etc. No more to pay. Received car fully fuelled, return full otherwise charges apply. All around excellent.
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