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Vehicle Overview
GMC has redesigned its full-size rear-wheel-drive (RWD) vans for the first time in seven years. The 2003 Savanas get upgraded powertrains, fresh features and an updated appearance. Three industry ...

Battery
This display shows the current battery voltage. If the voltage is in the normal range, the value will display. For example, the display may read BATTERY 13 VOLTS. Your vehicle's charging system regul ...

Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when ...