If The Vehicle Battery Is Discharged - Lexus IS250 2009 Service Manual

5-2. Steps to take in an emergency

If the vehicle battery is discharged

The following procedures may be used to start the engine if the vehicle's
battery is discharged.
You can call your Lexus dealer, or 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 Lexus following the steps
below.
Remove the engine compartment covers. ( P. 312)
STEP 1
Connecting the jumper cables.
STEP 2
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 3
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 4
STOP" switch OFF.
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