Lexus LS460 User Manual page 830

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 battery of your vehicle.
Open and close any of the doors of your vehicle with the engine switch
4
off.
Maintain the engine speed of the second vehicle and start the engine of
5
your vehicle by turning the engine switch to IGNITION ON mode.
Once the vehicle' s engine has started, remove the jumper cables in the
6
exact reverse order from which they were connected.
Once the engine starts, have the vehicle inspected at your Lexus dealer as
soon as possible.
Starting the engine when the battery is discharged
■
The engine cannot be started by push-starting.
To prevent battery discharge
■
Turn off the headlights and the audio system while the engine is off.
●
Turn off any unnecessary electrical components when the vehicle is running at a
●
low speed for an extended period, such as in heavy traffic.
Charging the battery
■
The electricity stored in the battery will discharge gradually even when the vehicle is
not in use, due to natural discharge and the draining effects of certain electrical
appliances. If the vehicle is left for a long time, the battery may discharge, and the
engine may be unable to start. (The battery recharges automatically during driving.)
When recharging or replacing the battery
■
Make sure that the key is not inside the vehicle when recharging or replacing the
●
battery. The key may be locked in the vehicle if the alarm is activated. (P. 81)
In some cases, it may not be possible to unlock the doors using the smart access
●
system with push-button start when the battery is discharged. Use the wireless
remote control or the mechanical key to lock or unlock the doors.
If the battery is discharged
■
The information stored in the computer will be deleted.
If the battery is discharged, have the vehicle inspected by your Lexus dealer.
LS460/LS460L_U (OM50D48U)
7-2. Steps to take in an emergency
829
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