https://www.truck-manuals.net/mack/ 70 INSTRUMENTS AND CONTROLS
CAUTION Do NOT exceed the maximum exhaust temperature indicated by the red line on the gauge. To reduce exhaust temperature, downshift or reduce engine power. If operating in cold climates with a winterfront, open the winterfront.
33. Accessory Power Outlet — See instructions under Accessory Power Outlets listed in the Instrument and Controls Section of this manual. OR Cigar Lighter — Press in the lighter; it will pop out when element is hot.
CAUTION Maximum amperage for the in-dash cigar lighter is 10 amps. Do NOT use the cigar lighter receptacle to power accessories rated higher than 10 amps.
34. Push-Button Start Switch (If Equipped) — After turning the ignition ON, depress this button until the engine fires. See "STARTING THE VEHICLE" in the OPERATION section of this manual for specific starting instructions.
