1995 Buick LeSabre Owner's Manual - Page 109

Battery Warning Light Voltage Indicator VOLT When you turn the key to RUN, this light will come on briefly, to show that your alternator and battery charging systems are working. If the light stays on, you need service and you should take your Buick to the dealer at once.To save your battery until you get there, turn off all accessories and set your air system to OFF. If you have the optional gage cluster, this gage shows voltage i n the electrical system. The normal range is 1 1 to 15 volts. If the gage reading stays in either red range, have your Buick dealer check the electrical system. 2-53