2013 Lexus ES300h horn

8007-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
One of the following may be the cause of the problem:
●One or both of the 12-volt battery terminals may be disconnected.
●The 12-volt battery may be discharged. ( P. 8 0 9 )
Contact your Lexus dealer if the problem cannot be repaired, or if repair proce-
dures are unknown.
When the hybrid system does not start, the following steps can be used as
an interim measure to start the hybr id system if the “POWER” switch is
functioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the “POWER” switch to ACCESSORY mode.
Press and hold the “POWER” swit ch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be star ted using the above steps, the system
may be malfunctioning. Have the vehicle inspected by your Lexus dealer.
The interior lights and headlights do not turn on, or the horn does
not sound.
Emergency start function
1
2
3
4

886What to do if... (Troubleshooting)
ES350 300h_OM_OM33A01U_(U)●
The seat belt remind
er light is flashing
Are the driver and the front passenger wearing the seat belts?
( P. 7 5 4 )
●The parking brake indicator is on
Is the parking brake released? ( P. 222)
Depending on the situation, ot her types of warning buzzer may
also sound. ( P. 751, 761)
●Did anyone inside the vehicle op en a door during setting the
alarm?
The sensor detects it and the alarm sounds. ( P. 8 4 )
To stop the alarm, turn the “START STOP ENGINE” <“POWER”>
switch to IGNITION ON mo de or start the engine system>.
●Is the electronic key left insid e the vehicle or the moon roof
opened?
Check the message on the multi-information display.
( P. 76 1 )
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle

894Alphabetical index
ES350 300h_OM_OM33A01U_(U)
Hands-free system (for cellular phone)
*............ 444, 568
Head restraints ....................................... 159
Headlights Discharge headlights precautions ........................................ 737
Light switch ........................................... 224
Replacing light bulbs.............................. 726, 727, 736
Wattage ................................................. 836
Heaters Air conditioning system
*.................................. 347, 359
Heated steering wheel ..................... 618
Seat heaters ......................................... 620
Outside rear view mirrors
*.......... 372
High-voltage components ...................74
Hill-start assist control ........................ 304
Hood .......................................................... 669 Warning message .............................766
Hooks Cargo hooks ......................................... 612
Coat hooks ........................................... 627
Grocery bag hooks........................... 612
Retaining hooks (floor mat) ............. 28
Horn ........................................................... 223
Hybrid battery (traction battery) ...................................74
Hybrid battery (traction battery) air vents ................ 75 Hybrid system............................................70
Emergency shut off system ............. 75
Energy monitor/consumption screen ................................................... 108
EV drive mode .......................................211
High voltage components ................74
Hybrid System Indicator ................... 96
Hybrid system precautions ..............74
Hybrid vehicle driving tips ............ 323
If the hybrid system will not start ............................................... 799
Overheating.......................................... 816
“Power” (ignition) switch ............... 204
Starting the hybrid system............. 204
Vehicle proximity notification system ....................................................... 71
Hybrid System Indicator .......................96
Hybrid transmission .............................. 217 If the shift lever cannot be shifted from P .................................... 801
H