1998 GMC Suburban Owner's Manual - Page 159

Daytime Running Lamps (DRL) Indicator Light 1 1 This light will go on 0.. Headlamp High-Beam Indicator Light The high-beam indicator is on whenever you use your high-beam headlamps. For no re details about high beam, see "Headlamp High/Low-Beam Changer" earlier i n this section. :::O CHECK GAGES whenever the DRL are on. When it begins to get dark, the DRL indicator light is a reminder to turn 011 your headlamps. Turn Signal and Lane Change Indicator Lights The signal indicator will cotne on whenever you signal a turn or lane change. See "TLI~II Signal and Lane Change Indicator" earlier i n this section. Check Gages Light This light will come on briefly when you are starting the engine. If the light comes on and stays on while you are driving, it could indicate a problem with your vehicle. It could be a problem with your oil pressure, coolant temperature, or some other problem. Check your various gages to see if they are i n the warning zones. I f they are, have your vehicle serviced right away. 2-81