I've facetiously tagged this one 'Computing issues'. I've just had to sign and return a sheet left on my desk to indicate that I've read the corporate guidelines for safe use of laptops.
Amongst other, familiar advice, it says:
The use of laptops in stationary cars is actively discouraged.
You know what I'm going to say next. In future I will wait till the car is moving before firing up the HP.
Watching a downloaded video on the laptop.
("Body of Proof": episode 17 of season two, in fact.)
At least the the correct "stationary" was used rather than "stationery"!