My car heater takes about 10 minutes before I get any heat, and it's not that cold here yet. Once it heats up, it works fine.
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2005 Chevrolet Monte Carlo Question: slow to heat
Answer #1Bret Bodas from RepairPal Test Shop, October 15, 2009, 09:43Master
Is your engine getting up to normal operating temperature in a normal amount of time? Or is it taking longer than normal? If so, I would have the engine coolant thermostat replaced. If the thermostat is OK, then you will want to take this to a shop that can check out the climate control system by checking the diagnostic trouble codes, checking for the latest software in the control module and have them check for any technical service bulletins related to this issue.