If The 12-Volt Battery Is Discharged - Lexus GS450h Owner's Manual

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7-2. Steps to take in an emergency

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
1
the 12-volt battery cover.
In the event that the trunk opener can-
not be used, use the mechanical key to
open the trunk. (P. 559)
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
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