5
When trouble arises
489
5-2. Steps to take in an emergency
■ Avoiding a discharged battery
● Turn off the headlights and the audio system while the engine is turned 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, etc.
■ When the battery is removed or discharged
The following systems must be initialized.
● Power windows (P. 43)
● Variable gear ratio steering (P. 159)
● Tire pressure warning system (P. 393)
● Intuitive parking assist (P. 136)
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately five
minutes to recharge the battery of your vehicle.
Open and close any of the doors with the engine switch “OFF”.
Maintain the engine speed on the second v
ehicle and turn the
engine switch to the “IG-ON” mode, then start the vehicle’s
engine.
Once the vehicle’s engine has star
ted, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Lexus dealer
as soon as possible.
STEP 3
STEP 4
STEP 5
STEP 6
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