1998 GMC Savana Van Owner's Manual - Page 112

Exterior Lamps one more detent will activatethe interior dome light circuit (with slightly higher effort). The dome lights cannot be turned on by depressing the dome light switch button located below the parking lampheadlamp knob. This switch is a dome lamp off switch and willonly interrupt inputs from thedoor jamb switches inhibiting interior light operation when depressed. It will not inhibit the light function from the I/P dimmer switch, The delayed entry feature will allow you to enter or exit your vehicle with the lightsstaying on for about 20 seconds, after the door is closed or ignition is cycled. Rotate the knob to the right to the parking lamp symbol to turn on: 0 ParkingLamps Sidemarker Lamps Taillamps License PlateLamps Your parking lamp/headlamp switch is onthe driver's side of your instrument panel. Your instrument panel dimmer thumbwheel has two detent positions. When the thumbwheel is moved tofull brilliance, and then into the first detent position, the radio display and PRNDL display will go to the day mode (full intensity). This is known as "parade"mode. The rest of the UP illumination will stay in the maximum dimming state (full brilliance dimming). Moving the thumbwheel up 0 0 InstrumentPanelLights Ashtray Lamp 0 Rotate the knobto the right again to the master lighting symbol to turn on all the lamps listedabove as well as the headlamps. 2-40