Lexus ES-300 2001 Manual page 364

" 5 Discharged battery
6 Booster battery
IN CASE OF AN EMERGENCY
JUMP STARTING PROCEDURE
1. If the booster battery is installed in another vehicle,
make sure the vehicles are not touching. Turn off all
unnecessary lights and accessories.
2. If required, remove all the vent plugs from the booster
battery. Lay a cloth over the open vents on the booster
battery. (This helps reduce the explosion hazard,
personal injuries and burns.)
If the booster battery is an extended maintenance
interval battery, it is not necessary to remove the vent
plugs.
3. If the engine in the vehicle with the booster battery is
not running, start it and let it run for about 5 minutes.
During jump starting, run the engine at about 2000 rpm
with the accelerator pedal lightly depressed.
4. Locate positive (+) and negative (–) terminals of each
battery. Connect the jumper cables in the exact order
( 1 2 3 4 ) shown in the illustration.
1 Connect a positive (red) jumper cable clamp to the
positive (+) terminal of the discharged battery.
2 Connect the clamp at the other end of the positive
(red) cable to the positive (+) terminal of the booster
battery.
3 Connect a negative (black) cable clamp to the
negative (–) terminal of the booster battery.
4 Connect the clamp at the other end of the negative
347