Dashboard lights malfunction, oil change and AC warm air
When you take it in for the oil change, have the other issues diagnosed and repaired.
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Ask your shop to check the voltages from the battery and charging system. This is the diy’er test I use: Before the first start of the day, battery should measure about 12.6 volts; then immediately after starting the engine, 13.5 - 15.5 volts.
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