whhat happens

 

You need to know your radio reset code before dis-connecting the battery. When you re-connect the battery the radio code needs to be put to start it.

Syed

 

parravan, depending on year and options, there coulld be windows that need reset, sunroof, bas/esp reset, radio coded, any comfort features will lose their noodle.

best thing to do is to power up the auxilary jump start points, then change battery. this can be tricky, just make sure of connections.