 This car has the absolutely worst interface i have ever experienced.  I had numerous lexus models and never had a problem with their electronics.  I realize this is not a lexus but the Toyota brand has sunk to terrible lows in putting the Head unit ( navigation and entertainment) in this car.  They ruin the entire experience of ownership.  A car that does a reasonable job on comfort and economy falls down terribly when the navigation and entertainment system shuts down every fifteen mins.  After ten shop visits and a final escalation to Toyota HQ, the answer was the unit is not completely compatible with the Apple iPhone.  Really, not compatible with the most popular phone on the planet.  I didn't believe it at first but i have come to believe them.  After having been stranded many times due to navigation failures i gave up and sold the car. I move back to MB and i have never been happier.  I hope someone in Toyota reads this and realizes they lost a customer for ever.  I would never buy another vehicle from them.