Transport Mode Explained: What That 10-Second Key Turn Does
Transport Mode is a General Motors power-saving feature that confuses new truck owners. Learn what the 10-15 second key-turn procedure actually does and why the battery light flashes.
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Flickering Battery Light and Voltage Spikes: Diagnosing Alternator Regulator and Diode Failures
Flickering battery and brake lights with unstable voltage readings don’t always mean a dead battery. Learn how to distinguish between battery, regulator, and diode failures using proper diagnostic tests.