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When trouble arises
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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.
● Moon roof (P. 42 )
● Variable gear ratio steering (P. 144)
■ Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
gas that may be emitted from the battery.
● Make sure the jumper cable is connected to the correct terminal and that it is not
unintentionally in contact with any part other than the intended terminal.
● Do not allow the jumper cables to come into contact with the “+” and “-” termi-
nals.
● Do not allow open flame or use matches, cigarette lighters or smoke near the
battery.
Maintain the engine speed of the second vehicle and start your
vehicle’s engine.
Once the vehicle’s engine has started, 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
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