my boss here at work just bought a 2007 Grand Cherokee, and no manual was included. He has a trouble light on the instrument panel that looks like a "U" with a "!" exclamation mark inside it. What does this mean??? I thought maybe a low tire sensor?? Can anyone help with this one? Thanks.

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2002 Jeep Liberty Limited 4X4
Bright Silver Metallic
Leather Interior
Infinity Sound System/6-Disc CD Changer
Class 4 Trailer Hitch
Husky Front/Rear Liner Mats
Husky Rear Cargo Liner

Yep that's the TPMS light,it looks more like a cut out of a tire but could be mistaken for a "U".Check tire pressures.

Thanks very much, I will inform him that it's a tire pressure sensor. Appreciate it!!

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2002 Jeep Liberty Limited 4X4
Bright Silver Metallic
Leather Interior
Infinity Sound System/6-Disc CD Changer
Class 4 Trailer Hitch
Husky Front/Rear Liner Mats
Husky Rear Cargo Liner