1998 GMC Suburban Owner's Manual - Page 140

For the purpose of wind noise reduction, locate the front crossrail approximately 18 to 24 inches (46 cln to 58 cm) rearward of the front supports. 0 NOTICE: If you store paper or other things that burn in your ashtrays, they could be set on fire by cigarettes or other smoking materials. That could cause a fire and possibly damage your vehicle. Do not store papers and other things that burn in your ashtrays. To remove the front ashtray, press the retainer spring and pivot the ashtray toward you. To replace the ashtray, place the bottom part of the ashtray on the pivot bar at the bottom of its mounting on the instrument panel. Then rotate the ashtray back to its original position. After moving the crossrails, be sure to tighten all the slider screws. Your vehicle has a Center High-Mounted Stoplamp (CHMSL) located above the tailgate glass or above the rear load doors. If items are loaded on the roof of the vehicle, care should be taken not to block or damage the CHMSL unit. Ashtrays and Cigarette Lighter Front Ashtray The front ashtray is located at the bottom of the instrument panel. Pull on the notch in the ashtray door to open it. 2-62