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GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

Low Tire Pressure Warning Light

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Old Oct 6, 2008 | 02:43 PM
  #1  
kt3333's Avatar
kt3333
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Default Low Tire Pressure Warning Light

Hello.
I seldom drive my 08 GS350. After 10 months of ownership, I have approximately 1500 miles on it. The car just sits in the garage. This past weekend when I drove it, the LOW TIRE PRESSURE light came on and stayed on. But the system does not indicate which tire has low pressure. When I observe the Yoko summer tires, all four tires look okay to me! what do I do next? thanks
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Old Oct 6, 2008 | 02:48 PM
  #2  
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are they run flats?

please don't judge low pressure by eyes, do a physical check and revert findings
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Old Oct 6, 2008 | 04:06 PM
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check them all...and the spare!...reset light and be on your way.
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Old Oct 6, 2008 | 04:45 PM
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yeah don't just look, check. i think at around 28psi it can trigger the tps already, and on low profile tires, it might not look too different
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Old Oct 6, 2008 | 09:42 PM
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did it recently get cold where you are?

Tires will lose 1 lb or air pressure for every 10 degree drop in outside temperature. Thay may have set your light off.

Also check to see that your Main Set/2nd Set switch didn't get accidentally put in the other position. This is way under the dash below the glove compartment door.

steviej

Last edited by steviej; Oct 8, 2008 at 08:11 PM.
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Old Oct 7, 2008 | 03:38 AM
  #6  
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i just recently had mine come on last week also. while they do look fine, there is a reason it is on. get a tire pressure gauge and just check the tires. i just added a little bit of air to all my tires and keep it around 33-35psi. light went off as soon as i added air into the one low tire.
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Old Oct 7, 2008 | 05:26 AM
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Funny that this post is up, I just had the light on no more than 30 mins ago. The temp here this morning is down to 40 Deg and the tire pressure was down to 28 psi in all 4 tires. I put some air in and the warning light went out as soon as I start the car.
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