Checking The Battery Condition Using The Indicator Color; Before Recharging; After Recharging/Reconnecting The Battery - Lexus IS250 2009 Service Manual

4-3. Do-it-yourself maintenance
Checking battery condition
n
Check the battery condition using the indicator color.

Before recharging

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When recharging, the battery produces hydrogen gas which is flammable and
explosive. Therefore, before recharging:
If recharging with the battery installed on the vehicle, be sure to disconnect the
l
ground cable.
Make sure the power switch on the charger is off when connecting and discon-
l
necting the charger cables to the battery.

After recharging/reconnecting the battery

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In some cases, the engine may not start. Follow the procedure bellow to initialize
the system.
Shift the shift lever to "P" (automatic transmission) or depress the brake
STEP 1
pedal with the shift lever in N (manual transmission), and turn the
"ENGINE START STOP" switch OFF.
Open and close any of the doors.
STEP 2
Start the engine. (If the engine does not start first time, repeat the proce-
STEP 3
dure.)
If the engine will not start even after multiple attempts at the above method, contact
your Lexus dealer.
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Blue: Good condition
Red: Not working properly,
have the battery checked by
your Lexus dealer.
White: Charging is necessary.
Have the vehicle inspected by
your Lexus dealer.