If The 12-Volt Battery Is Discharged - Lexus LS 600h L 2015 Owner's Manual

If the 12-volt battery is discharged

The following procedures may be used to start the hybrid system if the
12-volt battery is discharged.
You can also call your Lexus dealer or a qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehicle with a
12-volt battery, you can jump start your vehicle by following the steps
below.
Open the trunk lid and remove the 12-volt battery cover. (P. 450)
1
In the event that the trunk opener cannot be used, use the mechanical key to open
the trunk. (P. 524)
Connect the jumper cables according to the following procedure:
2
Positive (+) battery terminal on your vehicle
1
Positive (+) battery terminal on the second vehicle
2
Negative (-) battery terminal on the second vehicle
3
Negative (-) battery terminal on your vehicle
4
Start the engine of the second vehicle. Increase the engine speed
3
slightly and maintain at that level for approximately 5 minutes to
recharge the 12-volt battery of your vehicle.
Open and close any of the doors of your vehicle with the power switch
4
off.
LS600hL_U(OM50E41U)
7-2. Steps to take in an emergency
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