Lexus ES350 Service Manual page 433

Battery
Check the battery as follows.
Battery exterior
■
Make sure that the battery terminals are not corroded and that there are no
loose connections, cracks, or loose clamps. Make sure that the terminal cov-
ers are secured over the battery terminals.
Terminals
1
Hold-down clamp
2
Before recharging
■
When recharging, the battery produces hydrogen gas which is flammable and explosive.
Therefore, observe the following before recharging:
If recharging with the battery installed on the vehicle, be sure to disconnect the ground
●
cable.
Make sure the power switch on the charger is off when connecting and disconnecting
●
the charger cables to the battery.
After recharging/reconnecting the battery
■
The engine may not start. Follow the procedure below to initialize the system.
Shift the shift lever to P.
1
Open and close any of the doors.
2
Restart the engine.
3
Unlocking the doors using the smart access system with push-button start may not be
●
possible immediately after reconnecting the battery. If this happens, use the wireless
remote control or the mechanical key to lock/unlock the doors.
Start the engine with the engine switch in ACCESSORY mode. The engine may not
●
start with the engine switch turned off. However, the engine will operate normally from
the second attempt.
The engine switch mode is recorded by the vehicle. If the battery is reconnected, the
●
vehicle will return the engine switch mode to the status it was in before the battery was
disconnected. Make sure to turn off the engine before disconnect the battery. Take
extra care when connecting the battery if the engine switch mode prior to discharge is
unknown.
If the engine will not start even after multiple attempts, contact your Lexus dealer.
ES350_OM_OM33B64U_(U)
7-3. Do-it-yourself maintenance
I n f o r ma t i o n P r o v i d e d b y :
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