Dynamic radar cruise control

Dynamic radar cruise control supplements conventional cruise control with a vehicle-to-vehicle distance control. In the vehicle-to-vehicle distance control mode, the vehicle automatically accelerates or decelerates in order to maintain a set following distance from vehicles ahead.

 

Select cruise mode

 

Selecting vehicle-to-vehicle distance

 

Selecting vehicle-to-vehicle distance control mode
1. Turn the “ON-OFF” button ON.

Push the button once more to deactivate.

Selecting conventional constant

 

Selecting conventional constant speed control mode
1. Turn the “ON-OFF” button ON.

Push the button once more to deactivate.

Vehicle-to-vehicle distance control mode is always reset when the “ENGINE START STOP”
switch is switched to IGNITION ON mode.

2. Switch to constant speed control mode.

(push and hold for approximately one second)

Driving in the selected cruise control mode

 

Accelerate or decelerate to the

 

Accelerate or decelerate to the desired speed and press the lever down to set.

Adjusting the speed setting

 

1. Increase speed.

 

1. Increase speed.

2. Decrease speed.

Hold the lever until the desired speed setting is displayed.

Canceling and resuming the speed setting

 

1. Cancel.

 

1. Cancel.

Pull the lever towards you to cancel cruise control.

The setting is also canceled when the brakes are applied.

2. Resume.

To resume cruise control and return to the set speed, push the lever up.

Changing the vehicle-to-vehicle distance

 

Each push of the switch changes

 

Each push of the switch changes the vehicle-to-vehicle distance 1. Long.

2. Medium.

3. Short.

The vehicle-to-vehicle distance is automatically set to the long mode when the “ENGINE
START STOP” switch is
switched to IGNITION ON
mode.

A mark will be displayed to indicate the presence of the vehicle if a vehicle is running ahead of you.

Driving in vehicle-to-vehicle distance control mode

 

This mode employs a radar sensor to detect the presence of vehicles within 400 ft. (120 m) ahead and to judge the distance between your vehicle and those vehicles.

Note that vehicle-to-vehicle distance will close when traveling on long downhill slopes.

1. Example of constant speed cruising (when there are no vehicles

 

1. Example of constant speed cruising (when there are no vehicles ahead): When set to 62 mph (100 km/h).

The vehicle travels at the speed set by the driver. The desired vehicle-to-vehicle
distance can also be set by operating the vehicle-to-vehicle distance switch.

2. Example of deceleration cruising (when the vehicle ahead is driving slower than the set speed): When fixed speed cruising is set at 62 mph (100 km/h) and the vehicle ahead is driving at 50 mph (80 km/h).

When a vehicle is detected running ahead of you, in the same lane, the system automatically decelerates your vehicle. When a greater reduction in vehicle speed is necessary, the system applies the brakes. A warning tone warns you when the system cannot decelerate sufficiently to prevent your vehicle from closing on the vehicle ahead.

3. Example of follow-up cruising (when following a vehicle driving slower than the set speed): When the speed is set to 62 mph (100 km/h) and the vehicle ahead is driving at 50 mph (80 km/h).

The system continues follow-up cruising while adjusting for changes in the speed of the vehicle ahead in order to maintain the vehicle-to-vehicle distance set by the driver.

4. Example of acceleration (when there are no longer vehicles driving slower than the set speed in the lane ahead): When the speed is set to 62 mph (100 km/h) and the vehicle ahead driving at 50 mph (80 km/ h) is out of the lane
When the vehicle ahead of you executes a lane change, the system slowly accelerates until the set vehicle speed is reached. The system then returns to fixed speed cruising.

Fine adjustment of the set speed

 

Adjustment of the set speed by the following speed can be made by lightly pressing
the lever up or down and releasing it.

In the constant speed control mode: Approximately 1.0 mph (1.6 km/h) In the vehicle-to-vehicle distance control mode: USA: Approximately 5 mph (8 km/h).

Canada:Approximately 3 mph (5 km/h).

Dynamic radar cruise control warning lights, messages and buzzers

 

Warning lights, messages and buzzers are used to indicate a system malfunction or
to alert you to the need for caution while driving.

Dynamic radar cruise control can be set when

 

The shift lever is in D or the 4, 5 or 6 range of S.

- Vehicle speed is above approximately 30 mph (50 km/h).

Accelerating

 

The vehicle can accelerate normally. After acceleration, the set speed resumes.

However, during vehicle-to-vehicle distance control mode, the vehicle speed may decrease below the set speed in order to maintain the distance to the vehicle ahead.

Automatically canceling vehicle-to-vehicle distance control

 

Vehicle-to-vehicle distance control driving is automatically canceled in the following
situations.

- Vehicle speed falls below 25 mph (40 km/h).

- VSC is activated.

- The sensor cannot operate correctly because it is covered in some way.*

The windshield wipers are operating at high speed.* *: Vehicle-to-vehicle distance control driving must be reset by turning the ON-OFF
button on again.

If vehicle-to-vehicle distance control driving is automatically canceled for any other
reason, there may be a malfunction in the system. Contact your Lexus dealer.

Automatically cancelling constant speed control

 

The set speed is automatically canceled in the following situations.

- Actual vehicle speed is more than approximately 10 mph (16 km/h) below the preset vehicle speed.

At this time, the memorized set speed is not retained.

- Vehicle speed falls below approximately 25 mph (40 km/h).

- VSC is activated.

Vehicle-to-vehicle distance settings

 

Select a distance from the table below. Note that the distances shown correspond
to a vehicle speed of 50 mph (80 km/h). Vehicle-to-vehicle distance increases/ decreases in accordance with vehicle speed.

Radar sensor and grille cover

 

Radar sensor and grille cover

 

Always keep the sensor and grille cover clean to ensure that the vehicle-to-vehicle
distance control operates properly. (Some obstructions, such as snow, ice or plastic
objects, cannot be detected by the obstruction sensor.) Dynamic radar cruise control is canceled if an obstruction is detected.

1. Grille cover.

 

1. Grille cover.

2. Radar sensor.

Certification

 

FCC ID: HYQDNMWR005For vehicles sold in U.S.A.


FCC ID: HYQDNMWR005
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions;
(1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that
may cause undesired operation.

FCC WARNING:
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

Radio frequency radiation exposure Information: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment.

This equipment should be installed and operated with minimum distance of 20 cm between the radiator and your body.

This transmitter must not be co-located or operating in conjunction with any other
antenna or transmitter

Operation is subject to the following two conditions;For vehicles sold in Canada
Operation is subject to the following two conditions; (1) This device may not cause interference, and (2) This device must accept any interference, including interference that may cause
undesired operation of the device.

CAUTION:
Before using dynamic radar cruise control Do not overly rely on vehicle-to-vehicle distance control.

Be aware of the set vehicle speed. If automatic deceleration/acceleration is not appropriate, adjust the vehicle speed, as well as the distance between your vehicle
and vehicles ahead by applying the brakes, etc.

To avoid inadvertent cruise control activation Keep the “ON-OFF” button off when not in use.

Situations unsuitable for dynamic radar cruise control Do not use dynamic radar cruise control in any of the following situations.

Doing so may result in control of the vehicle being lost and could cause an accident
resulting in death or serious injury.

- In heavy traffic.

- On roads with sharp bends.

- On winding roads.

- On slippery roads, such as those covered with rain, ice or snow.

- On steep downhills, or where there are sudden changes between sharp up and down gradients.

- At entrances to expressways.

- When weather conditions are bad enough that they may prevent the sensors from functioning correctly (fog, snow, sandstorm, etc.).

- Where buzzer can be heard often.

- When towing a trailer or emergency towing.

When the radar sensor may not be correctly detecting the vehicle ahead.

Apply the brakes as necessary when any of the following types of vehicles are in front of you.

As the sensor may not be able to correctly detect these types of vehicles, the proximity
alarm will not be activated, and an accident may result.

- Vehicles that cut in suddenly.

- Vehicles traveling at low speeds.

- Vehicles that are not moving.

- Vehicles with small rear ends (trailers with no load on board etc.)

 

CAUTION:
- Motorcycles traveling in the same lane.

Conditions under which the vehicle-to-vehicle distance control may not function
correctly.

Apply the brakes as necessary in the following conditions as the radar sensor may
not be able to correctly detect vehicles ahead, and an accident may result.

- When water or snow thrown up by the surrounding vehicles hinders the functioning
of the sensor.

- When your vehicle is pointing upwards (caused by a heavy load in the trunk, etc.).

- When the road curves or when the lanes are narrow.

- When steering wheel operation or your position in the lane is unstable.

- When the vehicle ahead of you decelerates suddenly.

Handling the radar sensor.

Observe the following to ensure the cruise control system can function effectively:
- Keep the sensor and front grille clean at all times.

Clean the sensor and front grille with a soft cloth so you do not mark or damage them.

- Do not subject the sensor or surrounding area to a strong impact.

If the sensor moves even slightly off position, the system may malfunction. If the
sensor or surrounding area is subject to a strong impact, always have the area inspected and adjusted by a Lexus dealer.

- Do not disassemble the sensor.

- Do not attach accessories or stickers to the sensor, grille or surrounding area.

- Do not modify or paint the sensor and grille.

To ensure the radar sensor functions correctly Do not do the following to the sensor or grille cover as doing so may cause the sensor
not to function correctly and could result in an accident.

- Stick or attach anything to them.

- Leave them dirty.

- Disassemble, subject them to strong shocks.

- Modify or paint them.

- Replace them with non-genuine parts.

 

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