Question about 2002 Chevrolet Impala

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The low tire pressure light is on and i pumped up all four tires how do i get that low tire pressure light to go off

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  • Chevrolet Master
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The tire pressure monitor system needs to be reset. The instructions for resetting are in the owner's manual. If you don't have a manual, please confirm year and model.

Posted on Jul 14, 2010

  • Robert Veldman
    Robert Veldman Jul 14, 2010

    Before resetting the monitor, make sure all the tires are pretty close to the same pressure. If you have a leak, the light will continue to go on, and the tire will eventually get damaged beyond repair.... so, please get the leak fixed.

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1 Answer

In the RPM panel there is a yellow horseshoe shaped symbol with an exclamation mark thru it. What is this?


That is the low tire light. One or more of your tires is low. If you look inside the drivers door you should see a tire inflation sticker. Check all four tires and make sure they are inflated to what the stickers says they should be.

If only one tire is low it probably has a leak. If all four are low it might be the weather (lower temperatures = lower pressure).

One all the tires have been checked and filled to the proper inflation drive the vehicle on the freeway for approximately 10 minutes. The light should go out.

All this info is also in you owners manual.

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I just had a yellow exclamation point surrounded by parentheses light up on the dashboard of my 2006 Honda Pilot (2wd) and on little car diagram the front left tire is illuminated? Is it a Speed sensor or...


Its the low tire light. On the drivers side door opening you should be able to find a sticker that tells you the proper tire inflation for you vehicle. Check all four tires to make sure they are properly inflated. If that tire is low it probably indicates there is a leak. Once all four tires are inflated drive the vehicle on the freeway for about ten minutes. the light should go out. If the light comes back on and the same tire is low than there is definitely a leak.

If all the tires are properly inflated and the light comes on there may be a problem with the sensor in that wheel. A TPMS scanner will be needed to see what the sensors are displaying for pressure.

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What does an ! in a circle mean with ( ) around it


This (!) symbol is your TIRE PRESSURE MONITORING SYSTEM (TPMS) warning light.
The manual has this to say about it:
This system monitors tire pressure. if the low tire pressure warning light illuminates, check the tire pressure in all four tires. Adjust the low tire pressure to the recommended cold tire pressure shown on the Tire and Loading information label located in the driver's door opening. After tire pressures are adjusted, the vehicle will need to be driven at speeds above 16 MPH (25 km/h) to activate the TPMS and turn off the low tire pressure warning light.

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I have a 2009 ford focus and dont know how to reset the low tire pressure light


It should go away after an hour or so from the time you get the tire fixed.

Dec 20, 2010 | Ford Focus Cars & Trucks

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Service tire monitor on what is the problem? how do you reset the system?


TIRE PRESSURE MONITOR SYSTEM
The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. If your vehicle has this feature, sensors are mounted on each tire and wheel assembly, except the spare tire. The TPMS sensors monitor the air pressure in your vehicle's tires and transmit tire pressure readings to a receiver located in the vehicle.

The TPMS is designed to alert the driver, if a low tire pressure condition exists. This system also allows the driver to check tire pressure levels using the Driver Information Center (DIC).

When a low tire pressure condition is detected, the TPMS displays the "CHECK TIRE PRESSURE" warning message on the DIC, and at the same time illuminates the low tire pressure warning symbol.

You may notice, during cooler weather conditions, that the tire pressure monitor light, located on the instrument panel cluster, and the "CHECK TIRE PRESSURE" message will appear when the vehicle is first started and then turn off as you start to drive the vehicle. This could be an early indicator that the tire pressures are getting low and need to be inflated to the proper pressure.

Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label. (If your vehicle has tires of a different size than the size indicated on the vehicle placard or tire inflation pressure label, you should determine the proper inflation pressure for those tires.)

As an added safety feature, your vehicle has been equipped with a tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires is significantly under-inflated.

Accordingly, when the low tire pressure telltale illuminates, you should stop and check your tires as soon as possible, and inflate them to the proper pressure. Driving on a significantly under-inflated tire causes the tire to overheat and can lead to tire failure. Under-inflation also reduces fuel efficiency and tire tread life, and may affect the vehicle's handling and stopping ability.

Please note that the TPMS is not a substitute for proper tire maintenance, and it is the driver's responsibility to maintain correct tire pressure, even if under-inflation has not reached the level to trigger illumination of the TPMS low tire pressure telltale.

The "CHECK TIRE PRESSURE" warning message and low tire pressure light (telltale) will appear at each ignition cycle until the tires are inflated to the correct inflation pressure.

The Tire and Loading Information label (tire information placard) shows the size of your vehicle's original tires and the correct inflation pressure for your vehicle's tires when they are cold.

Your vehicle's TPMS can alert you about a low tire pressure condition but it does not replace normal tire maintenance.

NOTICE: Do not use a tire sealant if your vehicle has Tire Pressure Monitors. The liquid sealant can damage the tire pressure monitor sensors.

RESETTING THE TPMS IDENTIFICATION CODES
Each TPMS sensor has a unique identification code. Any time you rotate your vehicle's tires or replace one or more of the TPMS sensors, the identification codes will need to be matched to the new tire/wheel position. Each tire/wheel position is matched to a sensor, by increasing or decreasing the tire's air pressure. The sensors are matched to the tire/wheel positions in the following order: LF TIRE (left front tire on the driver's side of the vehicle), RF TIRE (right front tire on the passengers side of the vehicle), RR TIRE (right rear tire on the passengers side of the vehicle), and LR TIRE (left rear tire on the driver's side of the vehicle).

You will have one minute to match the first tire/wheel position, and five minutes overall to match all four tire/wheel positions. If it takes longer than one minute, to match the first tire and wheel, or more than five minutes to match all four tire and wheel positions the matching process stops and you will need to start over.

The TPMS sensor matching process is outlined below:
  1. Set the parking brake.
  2. Turn the ignition switch to "RUN" with the engine off.
  3. Turn the headlamp switch from "OFF" to the parking lamps setting four times within three seconds. A double horn chirp will sound and the TPMS low tire warning light will begin to flash. The double horn chirp and flashing TPMS warning light indicate that the TPMS matching process has started. The TPMS warning light should continue flashing throughout the matching procedure. The "SERVICE TIRE MONITOR" message will be displayed on the Driver Information Center (DIC).
  4. Start with the driver's side front tire.
  5. Remove the valve cap from the valve cap stem. Activate the TPMS sensor by increasing or decreasing the tire's air pressure for 10 seconds, then stop and listen for a single horn chirp. The single horn chirp should sound within 15 seconds, confirming that the sensor identification code has been matched to this tire and wheel position. If you do not hear the confirming single horn chirp, you will need to start over with Step 1. To let air-pressure out of a tire you can use the pointed end of the valve cap, a pencil-style air pressure gage or a key.
  6. Proceed to the passenger's side front tire, and repeat the procedure in Step 5.
  7. Proceed to the passenger's side rear tire, and repeat the procedure in Step 5.
  8. Proceed to the driver's side rear tire, and repeat the procedure in Step 5.
  9. After hearing the confirming horn chirp for the left rear tire, check to see if the TPMS warning light is still flashing. If it is, turn the ignition switch to LOCK to exit the sensor matching process. If the TPMS warning light is not flashing, the five minute time limit has passed and you will need to start the process over beginning with Step 1.
  10. Set all four tires to the recommended air pressure level as indicated on the Tire and Loading Information label.
  11. Put the valve caps back on the valve stems. The spare tire does not have a TPMS sensor. If you replace one of the road tires with the spare, the "CHECK TIRE PRESSURE" message will be displayed on the DIC screen. This message should go off once you re-install the road tire containing the TPMS sensor. The "SERVICE TIRE MONITOR" message is displayed when the TPMS is malfunctioning. One or more missing or inoperable TPMS sensors will cause the service tire monitor message to be displayed.

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1 Answer

A warning light came on looks like a horseshoe with ! in the middle what is that


That is the TPMS (tire pressure monitoring system) warning light. It is letting you know that one or more of the tires is low on tire pressure. The correct tire inflation for the vehicle is located on a sticker inside the drivers front door. Make sure all four tires are inflated to that pressure.

If there all low I would bet you live in a cold weather environment. It is normal for tire pressure to drop as temperatures drop.

If one tire is low than it is probably leaking and should be checked for a repair.

Once the tire pressures have been corrected the vehicle will need to be driven for approximately 10 minutes at sustained speeds of more than 15mph.

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Maybe when you change the tires they remove or broke one or the four sensors located inside the rim or wheel, at the inside of the valve, this sensors transmit the low pressure to the computer, and if one, or all, are removed or damaged, computer will register it at as a low pressure tire

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Toyota 2007 corolla dashboard icon shows symbol like horseshoe eith exlamation point in it


Sounds like the low tire pressure indicator. Check your tire pressure is correct in all four tires. This happens when the tempature outside starts to drop and so does the pressure in the tires. The recommended tire pressure should be listed on the inside of the driver's side door. Most tires are 32 psi cold. After the tires have been filled to proper pressure it may take 15 minutes for the light to shut off.

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2004 Lexus Ls 430 Low tire


My 2004 Lexus LS 430 has had the light come on several times, even after changing all four tires. There are no tire pressure sensors on my four tires. I was told the car computes tire rotations and since a low pressure tire takes more rotations than a fully inflated tire, the computer puts up a message on the dash.
To reset/turn off the message, put the emergency brake on, start the car and reach below the dash to the right side of your steering column until you feel two buttons in a depressed area under the dash. One button turns on /off your smart key and the other will turn off your tire low pressure message. Depress and hold until the message on your dash goes out and you are good to go. I know this works, I just reset mine a few minutes ago.

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the tire in the trunk has a sensor also check the spare tire pressure , only the dealer will tell you this after you are charged to mount and balance the spare in the trunk..

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