IS350 AWD/IS350/IS300 AWD- Page 354

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7-2. Steps to take in an emergency

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.

1

Confirm that the electronic key is 
being carried.

When connecting the jumper (or booster) 

cables, depending on the situation, the 

alarm may activate and doors locked. 

(



P.62)

2

Open the hood. (



P.285)

3

IS500:Remove the engine cover.
Raise the rear of the engine cover 
to remove the rear clip, and then 
raise the front of the engine cover 
to remove the front clips.

4

Connect a positive jumper cable clamp to   on your vehicle and connect the 
clamp on the other end of the positive cable to   on the second vehicle. Then, 
connect a negative cable clamp to   on the second vehicle and connect the 
clamp at the other end of the negative cable to  .



IS350 AWD/IS350/IS300 AWD

Positive (+) battery terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery terminal (second vehicle)
Solid, stationary, unpainted metallic point away from the battery and any mov-

Restarting the engine

A

B

C

D

A
B
C
D