2014 Lexus ES300h horn

8087-2. Steps to take in an emergency
ES350_300h_OM_OM33A60U_(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 1 7 )
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 hybrid 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” switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started 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

896What to do if... (Troubleshooting)
ES350_300h_OM_OM33A60U_(U)●
The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
(→
P. 76 2 )
●The parking brake indicator is on
Is the parking brake released? (→ P. 2 2 6 )
Depending on the situation, othe r types of warning buzzer may
also sound. ( →P. 759, 769)
●Did anyone inside the vehicle open a door during setting the
alarm?
The sensor detects it and the alarm sounds. ( →P. 8 6 )
To stop the alarm, turn the “START STOP ENGINE” <“POWER”>
switch to IGNITION ON mode or start the engine system>.
●Is the electronic key left inside the vehicle or the moon roof
opened?
Check the message on the multi-information display.
(→ P. 76 9 )
A warning buzzer sounds during driving
An alarm is activated
and the horn sounds
A warning buzzer sounds wh en leaving the vehicle

904Alphabetical index
ES350_300h_OM_OM33A60U_(U)
Hands-free system (for cellular phone)
*.............. 451, 576
Head restraints ........................................162
Headlights Discharge headlights
precautions........................................746
Light switch ...........................................228
Replacing light bulbs..............................735, 736, 745
Wattage ................................................. 846
Heaters
Air conditioning system
*.................................. 353, 365
Heated steering wheel ....................626
Seat heaters ......................................... 628
Outside rear view mirrors
*..........378
High-voltage components ...................76
Hill-start assist control ........................308
Hood ...........................................................677
Warning message ............................. 774
Hooks
Cargo hooks ....................................... 620
Coat hooks .......................................... 635
Grocery bag hooks......................... 620
Retaining hooks (floor mat) .............28
Horn ............................................................227
Hybrid battery (traction battery) ...................................76
Hybrid battery
(traction battery) air vents .................77 Hybrid system............................................ 72
Emergency shut off system .............. 77
Energy monitor/consumption screen ..................................................... 110
EV drive mode .....................................215
High voltage components ................76
Hybrid System Indicator ................... 98
Hybrid system precautions ..............76
Hybrid vehicle driving tips .............327
If the hybrid system will not start ...............................................807
Overheating......................................... 824
“Power” (ignition) switch ...............208
Starting the hybrid system.............208
Vehicle proximity notification system ......................................................73
Hybrid System Indicator ...................... 98
Hybrid transmission .............................. 221 If the shift lever cannot be shifted from P .................................. 809
H