TPMS Light - 2011 Kia Optima SX Turbo Long-Term Road Test

2011 Kia Optima Long-Term Road Test

2011 Kia Optima SX Turbo: TPMS Light

August 19, 2011

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Wednesday night the Tire Pressure Monitoring System light came on in the Optima. Visual observation said there wasn't a flat tire and a quick check with a pen-style gauge on Thursday showed that all the tires were low.

But not too low.

I checked again with a better gauge after driving home and saw that the lowest tire was at 28 psi. Recommended pressure is 35 psi at all four. Seven psi low is still within the 25-percent threshold the Feds mandate for a TPMS light trigger.

Factor in variances in air temperature and gauges and I'd guess that's where the extra five percent is that triggered the light.

I filled them up to 35 psi. Lightt is off. For now.

Josh Jacquot, Senior editor


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