1998 GMC Suburban Owner's Manual - Page 89

Parking at Night Park in a lighted spot, close all windows and lock your vehicle. Remember to keep your valuables out of sight. Put them in a storage area, or take them with you. During normal operation?the SECURITY light will go off after the engine is started. Parking Lots If you park in a lot where someone will be watching your vehicle, it's best to lock it up and take your keys. But what if you have to leave your ignition key? What if you have to leave something valuable in your vehicle? 0 I f the engine stalls and the SECURITY light flashes, wait until the light stops flashing before trying to restart the engine. Remember to release the key from the START position a s soon as the engine starts. Put your valuables in a storage area, like your glove box. Lock all the doors except the driver's. TM 0 I f you are driving and the SECURITY light comes on, you will be able to restart the engine if you turn the engine off. However, your Passlock system is not working properly and must be serviced by your dealer. Your vehicle is not protected by Passlock at this time. You may also want to check the fuse (see "Fuses and Circuit Breakers" in the Index). See your dealer for service. If the SECURITY light comes on while the engine is running, a problem has been detected and the system may need service. See your dealer for service. Passlock Your vehicle is equipped with the Passlock theft-deterrent system. Passlock is a passive theft-deterrent system. The system is armed oncethe key is removed from the ignition. Passlock enables . f ~ ~ e the ignition lock cylinder is if l turned with a valid key. If a correct key is not used, fuel is disabled. I n an emergency, call the Roadside Assistance Center. 2-11