2015 Nissan Xterra Owner's Manual - Page 89

long as the low tire pressure warning light remains illuminated. For additional information, refer to "Low tire pressure warning light" in the "Instruments and controls" section, "Tire Pressure Monitoring System (TPMS)" in the "Starting and driving" section and "Wheels and tires" section in the "Maintenance and do-it-yourself" section of this manual. LIC0738 LIC0739 TACHOMETER The tachometer indicates engine speed in revolutions per minute (RPM). Do not rev the engine 1 . into the red zone ᭺ ENGINE COOLANT TEMPERATURE GAUGE The gauge indicates the engine coolant temperature. The engine coolant temperature is within the 1 when the gauge needle points normal range ᭺ within the zone shown in the illustration. The engine coolant temperature varies with the outside air temperature and driving conditions. CAUTION When engine speed approaches the red zone, shift to a higher gear or reduce engine speed. Operating the engine in the red zone may cause serious engine damage. 2-6 Instruments and controls