See also:

If the vehicle battery is discharged
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 by following the steps below. Open the hood. Connecting the jumper cab ...

Engine
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If a warning light turns oor a warning buzzer sounds
Calmly perform the following actions if any of the warning lights turn on or flash. If a light turns on or flashes, but then turns off, this does not necessarily indicate a malfunction in the system ...