[gedy]

Many cars have seat sensors - so disable the phone if there is only the driver's seat occupied

[sliken]

And watch as MPG drops when people start carrying 100 pounds of whatever in the passenger seat.

[emp_zealoth]

My car's sensor will trigger on a semi-decent sized watermelon. Drives me fucking insane - it's a Volvo so it really explodes when it triggers when going fast...

It's like somebody just fired a missile at you -.-