What is your question?
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What is your question?
Loud squealing sound every morning when I start the car
What makes this problem better or worse?
Nothing
How long has your 2009 Toyota Yaris had this problem?
Year
The ALTERNATOR output load is greatest after cold start as it tries to put charge back in battery from cranking engine - thus belt squeal - TIGHTEN THE ALTERNATOR BELT ! Happy motoring!