2017 RX350 - Pre-Collision Alert question -
#1
Driver School Candidate
Thread Starter
2017 RX350 - Pre-Collision Alert question -
Hi. I have a 2017 RX350 question.
When I park the RX in our garage and gets to close to the wall, the pre-collision alert will come on...
But when I get to close behind the car in front of me, the pre-collision alert does nothing...
Should I be concerned?
My wife's 2018 Audi A4 pre-collision alert will come on when it gets to close to another car.
Thanks!
When I park the RX in our garage and gets to close to the wall, the pre-collision alert will come on...
But when I get to close behind the car in front of me, the pre-collision alert does nothing...
Should I be concerned?
My wife's 2018 Audi A4 pre-collision alert will come on when it gets to close to another car.
Thanks!
The following users liked this post:
bobbr (03-04-19)
#3
Hi. I have a 2017 RX350 question.
When I park the RX in our garage and gets to close to the wall, the pre-collision alert will come on...
But when I get to close behind the car in front of me, the pre-collision alert does nothing...
Should I be concerned?
My wife's 2018 Audi A4 pre-collision alert will come on when it gets to close to another car.
Thanks!
When I park the RX in our garage and gets to close to the wall, the pre-collision alert will come on...
But when I get to close behind the car in front of me, the pre-collision alert does nothing...
Should I be concerned?
My wife's 2018 Audi A4 pre-collision alert will come on when it gets to close to another car.
Thanks!
The following users liked this post:
bobbr (03-04-19)
The following users liked this post:
bobbr (03-04-19)
#5
Driver School Candidate
Thread Starter
I stand corrected thank you. It's the park assist that goes off when I get too close to the wall pulling into the garage.
But still, shouldn't the PCS alert me when I get too close to the car in front of me? Say within 4 to 5 feet?
But still, shouldn't the PCS alert me when I get too close to the car in front of me? Say within 4 to 5 feet?
#6
Lexus Test Driver
So many variables for the PCS to operate.
As also stated, it may or may not operate depending on conditions and sensor inputs.
Pre-collision warning:
- Vehicle speed is between approximately 7 and 110 mph (10 and 180 km/h). (For detecting a pedestrian, vehicle speed is between approximately 7 and 50 mph (10 and 80 km/h).)
- The relative speed between your vehicle and the vehicle or pedestrian ahead is approximately 7 mph (10 km/h) or more.
The following 2 users liked this post by Nad1370:
bobbr (03-06-19),
CharmCtyIS (03-04-19)
#7
So many variables for the PCS to operate.
As also stated, it may or may not operate depending on conditions and sensor inputs.
As also stated, it may or may not operate depending on conditions and sensor inputs.
Pre-collision warning:
- Vehicle speed is between approximately 7 and 110 mph (10 and 180 km/h). (For detecting a pedestrian, vehicle speed is between approximately 7 and 50 mph (10 and 80 km/h).)
- The relative speed between your vehicle and the vehicle or pedestrian ahead is approximately 7 mph (10 km/h) or more.
here is a video explaining PCS.
The following users liked this post:
bobbr (03-06-19)
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#8
As other people noted, pre-collision is for at-speed using the radar sensor. You may be thinking of ICS which uses the sonar sensors that park assist uses.
The Intelligent Clearance Sonar function will operate when
● Engine output restriction control
• The Intelligent Clearance Sonar system is enabled.
• The vehicle speed is 10 mph (15 km/h) or less.
• There is a stationary object in the traveling direction of the vehicle and 6 to 13 ft. (2
to 4 m) away.
• The system determines that a stronger-than-normal brake operation is necessary to
avoid a collision.
● Brake control
• Engine output restriction control is operating.
• The system determines that an emergency brake operation is necessary to avoid a
collision.
The Intelligent Clearance Sonar function will operate when
● Engine output restriction control
• The Intelligent Clearance Sonar system is enabled.
• The vehicle speed is 10 mph (15 km/h) or less.
• There is a stationary object in the traveling direction of the vehicle and 6 to 13 ft. (2
to 4 m) away.
• The system determines that a stronger-than-normal brake operation is necessary to
avoid a collision.
● Brake control
• Engine output restriction control is operating.
• The system determines that an emergency brake operation is necessary to avoid a
collision.
The following users liked this post:
bobbr (03-06-19)
#9
Racer
As other people noted, pre-collision is for at-speed using the radar sensor. You may be thinking of ICS which uses the sonar sensors that park assist uses.
The Intelligent Clearance Sonar function will operate when
● Engine output restriction control
• The Intelligent Clearance Sonar system is enabled.
• The vehicle speed is 10 mph (15 km/h) or less.
• There is a stationary object in the traveling direction of the vehicle and 6 to 13 ft. (2
to 4 m) away.
• The system determines that a stronger-than-normal brake operation is necessary to
avoid a collision.
● Brake control
• Engine output restriction control is operating.
• The system determines that an emergency brake operation is necessary to avoid a
collision.
The Intelligent Clearance Sonar function will operate when
● Engine output restriction control
• The Intelligent Clearance Sonar system is enabled.
• The vehicle speed is 10 mph (15 km/h) or less.
• There is a stationary object in the traveling direction of the vehicle and 6 to 13 ft. (2
to 4 m) away.
• The system determines that a stronger-than-normal brake operation is necessary to
avoid a collision.
● Brake control
• Engine output restriction control is operating.
• The system determines that an emergency brake operation is necessary to avoid a
collision.
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