Lexus GS450h Manual page 35

2nd generation
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Roadside Assistance (Continued)
Jump Starting
The 12 Volt auxiliary battery may be jump started if the vehicle does not start
and the instrument cluster gauges are dim or off after depressing the brake
pedal and pushing the power button.
The 12 Volt auxiliary battery is located in the trunk. The trunk opener will not
operate if the auxiliary battery is discharged. Instead use the metal cut key
hidden in the smart key to open the trunk.
Open the trunk and remove the luggage compartment side trim cover on
the driver side.
Connect the positive jumper cable to the positive terminal following the
numbered sequence.
Connect the negative jumper cable to the negative terminal following the
numbered sequence.
Place the smart key in proximity to the interior of the vehicle, depress the
brake pedal and push the power button.
NOTE:
If the vehicle does not recognize the smart key after connecting the
booster battery to the vehicle, open and close the driver door when the
vehicle is shut off.
If the smart key internal battery is dead, touch the Lexus emblem side of
the smart key to the power button during the start sequence. See the
instructions and illustrations on page 10 for more details.
The high voltage HV battery pack cannot be jump started.
Immobilizer & Anti-Theft Alarm
The GS450h is equipped with a standard immobilizer system and an optional
anti-theft alarm.
The vehicle can be started only with a registered smart key.
To disarm the anti-theft alarm, unlock the door by using the smart key
button, hidden metal cut key, or door handle touch sensor. Turning the
ignition-on or starting the vehicle will also disarm the anti-theft alarm.
Manual Trunk Opening with the
Metal Cut Key
Jumper Cable Connections
-32-
Remove Luggage Compartment Side
Trim Cover
12 Volt Auxiliary Battery

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2013 gs450h

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