VSC Lexus ES350 2010 s User Guide

177
2-4. Using other driving systems
2
When driving
ES350_U
■The pre-collision system is operational when
●Pre-collision seat belt (linked to the radar sensor)
• Vehicle speed is above 3 mph (5 km/h).
• The speed at which your vehicle is approaching the obstacle or oncomingvehicle exceeds 18 mph (30 km/h).
• The front occupants are wearing a seat belt.
●Pre-collision seat belts (linked to brake operation)
• Vehicle speed is above 9 mph (15 km/h).
• The system detects sudden braking or skidding.
• The front occupants are wearing a seat belt.
●Pre-collision brake assist
• Vehicle speed is above 18 mph (30 km/h).
• The speed at which your vehicle is approaching the obstacle or the vehicle is greater than about 18 mph (30 km/h).
• The brake pedal is depressed.
■Conditions that may trigger the system even if there is no danger of collision
●When there is an object by the roadside at the entrance to a curve
●When passing an oncoming vehicle on a curve
●When driving over a narrow iron bridge
●When there is a metal object on the road surface
●When there is a metal plate in the road in front of the vehicle on a downhill slope
●When there is a metal object such as a sign board in front of the vehicle on an
uphill slope
●When driving on an uneven road surface
●When passing an oncoming vehicle on a left-turn
●When your vehicle rapidly closes on the vehicle in front
●When your vehicle is skidding with the VSC system off
When the system is activated in the situations described above there is also a possi-
bility that the seat belts will retract quickly and the brakes will be applied with a force
greater than normal. When the seat belt is locked in the retracted position, stop the
vehicle in a safe place, release the seat belt and refasten.
■When there is a malfunction in the system
Warning lights and/or warning messages will turn on or flash. ( oP. 439, 449)

5
When trouble arises
469
5-2. Steps to take in an emergency
ES350_U
CAUTION
■When using the compact spare tire
●Remember that your compact spare tire is specifically designed for use with your
vehicle. Do not use your compact spare tire on another vehicle.
●Do not use two compact spare tires 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.
■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. Failing to observe
this precaution may lead to an accident causing death or serious injury.
■When the compact spare tire attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS & Brake assist
●VSC
●TRAC
●Navigation system (if equipped)

527
Abbreviation list
ES350_U
VINVehicle Identification Number
VSCVehicle Stability Control
ABBREVIATIONSMEANING

536
Alphabetical index
ES350_U
TiresChains ...................................................... 186
Checking ............................................... 387
If you have a flat tire............................461
Inflation pressure................................ 396
Inflation pressure sensor............... 388
Information............................................ 499
Replacing.................................................461
Rotating tires ........................................ 387
Size ........................................................... 493
Snow tires ............................................... 188
Spare tire..................................................461
Tools ............................................................ 461
Total load capacity ................................ 183
Towing Dinghy towing ....................................... 197
Emergency towing ........................... 429
Trailer towing........................................ 190
TRAC............................................................ 171
Traction control ........................................ 171
Trip meter ................................................. 134
Trunk Extending a space............................... 331
Opener ...................................................... 45
Trunk light Trunk light................................................. 46
Wattage.................................................. 495
Turn signal lights
Replacing light bulbs.......................... 417
Switch ..........................................................131
Wattage.................................................. 495 Vanity lights
Vanity lights............................................ 319
Wattage ................................................. 495
Vanity mirrors ..........................................319
Vehicle identification number ......... 487
Vehicle stability control ........................ 171
Ventilators ............................................... 326
Voice command switch ..................... 279
VSC .............................................................. 171
Warning buzzers Brake system....................................... 439
Downshifting.......................................... 130
Open door ............................................ 441
Seat belt reminder .............................. 441
Warning lights
Anti-lock brake system .................. 440
Brake assist system .......................... 440
Brake system....................................... 439
Charging system ............................... 440
Low fuel level......................................... 441
Low tire pressure warning light.......................................................... 441
Malfunction indicator lamp .......... 440
Master warning light.......................... 441
Open door ............................................. 441
Pre-collision system......................... 440
Pretensioners ...................................... 440
Rear light failure warning light ...... 441
Seat belt reminder light .................... 441
SRS airbags.......................................... 440V
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