The Queen has installed satellite navigation systems in her Daimler-Jaguar as well the fleet of limos - three Rollers, two Bentleys and three Daimlers - which whisk Her Maj between palace and public function.

That's according to UK tabloid the Sun, which reports that Liz II was seen "using" a satnav system in her Daimler-Jag at the Royal Chapel in Windsor Great Park on Sunday. What this actually means is that, as an onlooker said: "When she started the ignition, the sat-nav came on."

Right-o. The unnamed source added: "It's amusing the Queen has the same problems as the rest of us about getting lost — but she's done something about it."

Well we are not amused, and in any case, as a Buck House source noted: "The Queen enjoys driving but usually takes the wheel only on Royal estates. The sat-nav systems will be of great use to her chauffeurs on the road."

The Sun can confirm, though, that the Queen does regularly text grandchildren Harry and William - unless she gets the Keeper of the Royal Mobile to do it for her. She also owns an iPod, although her playlist is a closely-guarded state secret. ®

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Thanks very much to Peter Bowles for his artist's impression of how we believe the Queen's satnav might look.