Aston Martin DB AR1 Owner's Manual page 145

battery polarity is maintained.
NG: If the voltage or earth of the donor vehicle is different or not
attempt starting in the way described.
e batteries. Ensure that the vehicles do not touch each othe
lessen the risk of an electrical short circuit, remove rings
atch bands and any other jewellery. Wear eye protection
orking near the battery. Turn off all electrical motors and anc
both vehicles. Switch off all lights except those needed to pro
hicles or illuminate the work area. Switch off the ignition and
e handbrake.
t out the boot floor panels to gain access to the battery.
o batteries.
e two batteries.
art the donor vehicle engine and run at about 1500 - 2000
art the engine. Allow the engine to run for some minutes until
ttery is partially charged. Switch off both vehicles.