My AC light also started blinking and the dealer fixed it under warranty. Lucky I have the extended warranty up to 100K as my truck is already at 68K.

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2003 Land Cruiser V8 Thunder Cloud
Tundra Wheels, HID Kit, Dual Batteries, Ultimate Air CO2 Kit, Sirius Sat Radio, DVD Hack

2003 4Runner SR5 4x4 V8 - Sold