2020 Lexus ES300h auxiliary battery

3777-2. Steps to take in an emergency
7
When trouble arises
the driven distance on the maintenance
schedule* should be performed soon.
Comes on approximately 4500 miles
(7200 km) after the message has been
reset. If necessary, perform maintenance.
Please reset the message after the mainte-
nance is performed. ( P.312)
*: Refer to the separa te “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
■If “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all maintenance is required to
correspond to the driven distance on the
maintenance schedule
*.
Comes on approximately 5000 miles
(8000 km) after the message has been
reset. (The indicator will not work properly
unless the message ha s been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. ( P.312)
*: Refer to the separa te “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
■If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.
Check the engine oil and change it if neces-
sary. After changing the engine oil, make
sure to reset the message. ( P.312)
■If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the en gine oil, and oil fil-
ter by your Lexus deal er. After changing the
engine oil, make sure to reset the message.
(  P.323)
■If a message that in dicates the need for
visiting your Lexus dealer is displayed
The system or part shown on the multi-
information display is malfunctioning. Have the vehicle inspected by your Lexus dealer
immediately.
■If a message that indicates the need for
referring to Owner’
s Manual is dis-
played
●If any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” ( P.395)
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malf unction. Have the
vehicle inspected by your Lexus dealer
immediately.
• “Access System with Elec. Key Malfunc-
tion”
• “Hybrid system malfunction”
•“Check Engine”
• “Hybrid battery system malfunction”
• “Accelerator system malfunction”
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfun ction. Immediately
stop the vehicle and contact your Lexus
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
• “Hybrid system stopped”
• “Engine stopped”
●If “Low Auxiliary Battery” is shown
• When the display goes off after several
seconds
*:
Maintain the hybrid system operation for
more than 15 minutes and charge the 12-
volt battery.
• When the display does not go off:
Start up the hybrid system using the proce-
dures for “If the 12-volt battery is dis-
charged” ( P.390).
*: Displays for about 6 seconds
●If “Maintenance required for Traction bat-
tery cooling parts” is shown, the filter may
be clogged, the air intake vent may be
blocked, or there may be a gap in the
duct. Therefore, perform the following
correction procedure.
• If the air intake vent s and filters of the
hybrid battery (traction battery) are dirty,

3787-2. Steps to take in an emergency
perform the procedure on P.343 to clean
them.
• If the warning message is shown when the air intake vents and filters of the
hybrid battery (traction battery) are not
dirty, have the vehicle inspected by your
Lexus dealer.
 Stop the vehicle in a safe place on a
hard, flat surface.
 Set the parking brake.
 Shift the shift lever to P.
 Stop the hybrid system.
 Turn on the emergency flashers.
( P.356)
NOTICE
■If “High Power Consumption Power
to Climate Temporarily Limited” is
displayed frequently
There is a possible malfunction relating
to the charging system or the 12-volt bat-
tery may be deteriorating. Have the vehi-
cle inspected by your Lexus dealer.
■If “Low Auxiliary Battery” is displayed
frequently
The 12-volt battery may have deterio-
rated. As the battery may discharge in
this state when left unattended, have the
battery inspected by your Lexus dealer.
If you have a flat tire
Your vehicle is equipped with a
spare tire. The flat tire can be
replaced with the spare tire.
For details about tires: P.329
WARNING
■If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat
tire can damage the tire and the wheel
beyond repair, which could result in an
accident.
Before jacking up the vehicle

447Alphabetical index
Alphabetical index
A
A/C ................................................................... 265Air conditioning filter ................................. 341
Automatic air conditioning system ... 265
ABS (Anti-lock Brake System)...............247 Function .......................................................... 247
Warning light ...............................................366
ACA (Active Cornering Assist) ............247
Active Cornering Assist (ACA) ............247
Adaptive Front-lighting System (AFS) .. 161
AFS (Adaptive Front-lighting System) .. 161
Airbags ............................................................... 28 Airbag operating conditions................... 30
Airbag precautions for your child ........ 33
Correct driving posture .............................23
Curtain shield airbag operating condi-tions .................................................................... 31
Curtain shield airbag precautions ....... 33
Front passenger occupant classification system ..............................................................37
General airbag precautions ................... 33
Locations of airbags.................................... 28
Modification and disposal of airbags . 35
Side airbag operating conditions ........... 31
Side airbag precautions ............................ 33
Side and curtain shield airbags operating conditions........................................................ 31
Side and curtain shield airbags precau- tions .................................................................. 33
SRS airbags ..................................................... 28
SRS warning light ......................................365
Air conditioning filter ...................................341
Air conditioning system ............................ 265 Air conditioning filter ................................. 341
Automatic air conditioning system ... 265
Alarm ................................................................... 69 Alarm .................................................................. 69
Warning buzzer ......................................... 364
Anchor brackets ...................................... 43, 51
Antennas (smart access system with push- button start) ................................................... 110 Anti-lock Brake System (ABS)...............247
Function .......................................................... 247
Warning light .............................................. 366
Approach warning...................................... 202
Armrest............................................................ 293
Assist grips ..................................................... 293
Audio system-linked display ........................81
Auto Glide Control ......................................213
Automatic headlight leveling system ... 160
Automatic High Beam ................................162
Automatic light control system................159
Auxiliary box.................................................. 282
Average fuel economy................................. 80
Average vehicle speed ................................ 80
B
Back-up lights Replacing light bulbs ................................. 351
Battery (12-volt battery) ........................... 326 Battery checking ........................................326
If the 12-volt battery is discharged ... 390
Preparing and checking before winter..........................................................................253
Warning light .............................................. 365
Battery (traction batter y) ............................ 63
Blind Spot Monitor (BSM)....................... 206
Brake Brake hold .......................................................157
Fluid.................................................................. 404
Parking brake ............................................... 155
Regenerative braking ...................................61
Warning light ...............................................364
Brake assist .....................................................247
Break-in tips.....................................................135
Brightness control Instrument panel light control................. 78
BSM (Blind Spot Monitor)....................... 206
C
Care ...................................................... 306, 309 Aluminum wheels ..................................... 306

452Alphabetical index
Jack handle .................................................... 379
Jam protection functionMoon roof ........................................................ 131
Power trunk opener and closer ...........107
Power windows............................................128
K
Keyless entrySmart access system with push-button start ................................................................... 110
Wireless remote control........................... 97
Keys...................................................................... 96 Battery-saving function ............................... 111
Electronic key ................................................. 96
If the electronic key does not operate properly...................................................... 388
If you lose your keys................................. 387
Key number plate ......................................... 96
Keyless entry ............................... 99, 105, 110
Mechanical key.............................................. 96
Power switch ................................................. 143
Replacing the battery............................... 346
Warning buzzer ............................................ 110
Wireless remote control........................... 97
Knee airbags .................................................... 28
L
Lane Tracing Assist (LTA) ........................ 185 Operation....................................................... 185
Warning messages ....................................193
Language (multi-information display) ... 82
LATCH anchors ............................................. 49
Lever Auxiliary catch lever ...................................319
Hood lock release lever...........................319
Internal trunk release lever .....................107
Shift lever......................................................... 150
Turn signal lever ...........................................154
Wiper lever.....................................................164
Lexus climate concierge .......................... 263
Lexus Enform Safety Connect.................. 54 Lexus Safety System + 2.0 ........................ 172
Automatic High Beam ..............................162
Dynamic radar cruise control with full-
speed range ............................................... 196
LTA (Lane Tracing Assist) ..................... 185
PCS (Pre-Collision System) ................. 178
RSA (Road Sign Assist)........................... 194
License plate lights........................................159 Light switch .................................................... 159
Replacing light bulbs ................................. 351
Light bulbs Replacing ........................................................ 351
Wattage ......................................................... 406
Lights Automatic High Beam system ..............162
Front interior lights .................................... 278
Front personal lights.................................278
Headlight switch.......................................... 159
Interior lights list .......................................... 277
Interior lights ................................................. 277
Rear interior lights .....................................278
Rear personal lights .................................. 278
Trunk light ....................................................... 107
Turn signal lever .......................................... 154
Vanity lights ..................................................284
Wattage ......................................................... 406
Welcome light illumination control ... 160
Lock steering column ..................................143
Low profile tire.............................................. 329
LTA (Lane Tracing Assist) ........................ 185 Operation ....................................................... 185
Warning messages.................................... 193
Luggage mat ................................................. 283
M
Maintenance
Do-it-yourself maintenance ...................317
General maintenance .............................. 313
Maintenance data ..................................... 400
Maintenance requirements ....................312
Malfunction indicator la mp ..................... 365
Master warning light .................................... 371