ABS Lexus HS250h 2010 User Guide

5
When trouble arises
493
5-2. Steps to take in an emergency
HS250h_U_75033U(Canada)
Have the vehicle inspected by your Lexus dealer immediately.Failing to investigate the cause of the following warnings may lead to the
system operating abnormally and possibly cause an accident. Have the
vehicle inspected by your Lexus dealer immediately.
High engine coolant temperatur e warning light (flashes or
comes on)
Indicates that the engine is overheating →P. 5 4 1
• Flashes: Engine is overheating. Drive carefully.
• Comes on: Engine is overheated. Stop the vehicle.
Warning lightWarning light/Details
Brake system warning light (yellow indicator) Indicates a malfunction in:
• The regenerative brake system; or
• The electronically controlled brake system
(U.S.A.)

(Canada)
Malfunction indicator lampIndicates a malfunction in:
• The hybrid system;
• The electronic engine control system;
• The electronic throttle control system; or
• The hybrid transmission control system
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
(U.S.A.)

(Canada)
“ABS” warning lightIndicates a malfunction in:
•The ABS; or
• The brake assist system
Warning lightWarning light/Details

5
When trouble arises
527
5-2. Steps to take in an emergency
HS250h_U_75033U(Canada)
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use
with your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp cornering.
■When storing the compact spare tire
Be careful not to catch fingers or other body parts between the compact spare tire
and the body of the vehicle.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS & Brake assist
●Enhanced VSC
●TRAC
●Cruise control system
●Dynamic radar cruise control system (if equipped)
●Lane keeping assist (if equipped)
●Adaptive Front-lighting System (if equipped)
●Intuitive parking assist (if equipped)
●Pre-collision system (if equipped)
●Navigation system (if equipped)
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accident causing death or serious injury.

592
HS250h_U_75033U(Canada)
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
A/CAir Conditioning
ABSAnti-lock Brake System
AFSAdaptive Front-lighting System
ALRAutomatic Locking Retractor
CALCalibration
CRSChild Restraint System
ECOEconomy/Ecology
ECUElectronic Control Unit
EDREvent Data Recorder
ELREmergency Locking Retractor
EPSElectric Power Steering
GAWRGross Axle Weight Ratings
GPSGlobal Positioning System
GVWRGross Vehicle Weight Rating
HUDHead-up Display
I/MEmission Inspection and Maintenance
LATCHLower Anchors and Tethers for Children
LEDLight Emitting Diode
LKALane-Keeping Assist
MMTMethylcyclopentadienyl Manganese Tricarbonyl
M + SMud and Snow
MTBEMethyl Tertiary Butyl Ether
OBDOn Board Diagnostics
PCSPre-Collision System
SRSSupplemental Restraint System

594
HS250h_U_75033U(Canada)
Alphabetical index
Alphabetical index
A/CAir conditioning filter .......................450
Automatic air conditioning system (vehicles without
navigation system)......................... 252
Automatic air conditioning
system (vehicles with
navigation system) *
ABS............................................................. 225
AFS .............................................................. 185
Adaptive front lighting system ......... 185
Air conditioning filter ......................... 450
Air conditioning system (vehicles without navigation
system)Air conditioning filter .......................450
Automatic air conditioning system .................................................. 252
Air conditioning system (vehicles with navigation
system)*
Airbags
Airbag operating conditions..................................107, 108
Airbag precautions for your child............................................................ 111
Airbag warning light ........................ 493
Curtain shield airbag operating conditions............................................ 108
Curtain shield airbag
precautions ............................................ 111
Front passenger occupant
classification system......................... 116
General airbag precautions ............. 111
Locations of airbags.......................... 104
Modification and disposal of
airbags .................................................... 115 Proper driving posture.............. 102, 111
Side airbag operating
conditions ............................................108
Side airbag precautions.......................111
Side and curtain shield airbags operating conditions ......................108
Side and curtain shield airbags precautions .............................................111
SRS airbags............................................ 104
Alarm............................................................ 98
Antenna .................................................... 270
Anti-lock brake system ...................... 225
Armrest .....................................................377
Audio input.............................................. 307
Audio remote control switches*
Audio system Antenna...................................................270
Audio input........................................... 307
Audio visual input.............................. 307
AUX adapter ...................................... 307
CD player .............................................. 273
CD player/changer .......................... 273
MP3/WMA disc................................. 281
Optimal use ......................................... 304
Portable music player ..................... 307
Radio ....................................................... 265
Steering wheel audio switch........308
Audio/video system*
Audio visual input ................................. 307
Automatic air conditioning system Air conditioning filter ....................... 450
Air conditioning system ..................252
Automatic air conditioning
system...................................................252
Automatic headlight leveling
system ......................................................187A

607
What to do if...
HS250h_U_75033U(Canada)
■Warning lights
P. 4 9 4
or
P. 4 9 2P. 4 9 4
P. 4 9 2P. 4 9 4
P. 4 9 3P. 4 9 4
P. 4 9 3P. 4 9 4
P. 4 9 5
or
P. 4 9 3P. 4 9 5
P. 4 9 3P. 4 9 5
P. 4 9 5
or
P. 4 9 3P. 4 9 5
P. 4 9 4P. 4 9 6
P. 4 9 4
Brake system warning light
(red indicator)“AFS OFF” indicator light
Slip indicator light
Charging system warning
light“LKA” indicator light
High engine coolant temperature
warning lightCruise control indicator light
Brake system warning light(yellow indicator)Radar cruise control
indicator light
Malfunction indicator lampOpen door warning light
Low fuel level warning light
SRS warning lightDriver’s seat belt reminder
light
“ABS” warning lightFront passenger’s seat belt
reminder light
Master warning light
Electric power steering system warning lightTire pressure warning light
Pre-collision system warning
light