Half a croissant, on a plate, with a sign in front of it saying '50c'
h a l f b a k e r y
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Enough for a start

Sense battery and turn off stuff
  (+4)
(+4)
 

The number of times I've needed to leave my lights on to the point of total battery drain is approximately zero. The number of times I've done so inadvertently is above zero. This dashboard switch would be connected to a voltage check on the battery. If accessories or lights drain the battery to the extent that starting the car is iffy, it would disconnect the battery, assuring the car can be started even if you've left your lights on.

If you bought one of those cars that breaks things if the battery is disconnected it's your own fault and I have no sympathy for you.

Voice, Apr 04 2026





       In my car the lights go off when you turn the engine off
pocmloc, Apr 04 2026
  

       2005 Toyota Camry, you can leave them on and they will turn off in five minutes (+)
normzone, Apr 05 2026
  

       //one of those cars that breaks things if the battery is disconnected//   

       Sounds fascinating - where can I get one?
pertinax, Apr 05 2026
  

       My old Chevy truck does this. Many times I will turn the key backwards, crank the radio and go about my outdoor chores so I can have some tunes. It shuts off before the battery can no longer start the truck.
My wife's newer Dodge just drains itself dry doing that.
  

       Bad engineering... 16 spark plugs?... wtf? Sorry I Digress.   
         


 

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