Aston Martin DB11 Owner's Handbook Manual page 257

Jump Start Procedure
Caution: Remove rings, metal watch bands and any other
jewellery.
Caution: Set all electrical motors and ancillaries in both
vehicles to OFF.
Caution: Set all lamps to OFF except those needed to
protect vehicles or illuminate the work area.
Recharge time will depend on the initial 'state of health' of
the discharged battery.
If the vehicle still will not start, contact your Aston Martin
Dealer.
1. Position the donor vehicle so that the connecting cables will
reach into the recipient engine bay. Apply the park brake
and leave the engine running.
2. Access the jump start terminal in the recipient engine bay.
3. Remove the cover for the main power fuse bank (1)
4. Identify the positive (2) and negative (3) jump start points
shown.
Maintenance and Technical Data
12.55