Lexus LX 570 2009 Manual page 682

5-2. Steps to take in an emergency
If required, remove all 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.)
Positive (+) battery terminal on your vehicle
Positive (+) battery terminal on the second vehicle
Negative (-) battery terminal on the second vehicle
Connect the jumper cable to ground on your vehicle as shown in the
illustration.
Start the engine of the second vehicle. Increase the engine
STEP 2
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Open and close any of the doors with the "ENGINE START
STEP 3
STOP" switch off.
Maintain the engine speed of the second vehicle and turn the
STEP 4
"ENGINE START STOP" switch to IGNITION ON mode,
then start the vehicle' s engine.
Once the vehicle' s engine has started, remove the jumper
STEP 5
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Lexus dealer,
as soon as possible.
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