On: Tesla to Buy Energy Storage Firm Maxwell Tech at $4.75 a Share

[ams6110]

Downshifting a manual transmission to slow down does not activate the brake lights, so not sure this would need to.

[wumpus → ams6110]

Depends on your goal. If you want to rules-lawyer, then sure, no need to turn on the brake lights. If your goal is to avoid rear-end collisions, then having brake lights illuminate no matter why the car is decelerating is a good thing.