1996 Chevrolet Tahoe Owner's Manual - Page 77

Automatic Transmission Operation PARK (P): This locks your rear wheels. It's the best position to use when you start your engine because your vehicle can't move easily. A CAUTION: It is dangerous toget out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly Your vehiclecan roll. set. Don't leave your vehicle whenthe engine is running unless you have to.If you have leftthe engine running, the vehicle can move suddenly. You or otherscould be injured. To be sure your vehicle won't move, even when you're fairly on level ground, always set your parking brake and move the shiftlever to PARK (P). CAUTION: (Continued) There areseveral different positions for your shift lever. Your vehicle now features an electronic shift position indicator within the instrument cluster. This display must be powered anytime the shift lever is capable of being moved out of the PARK (P) position. This means that if your key is in the OFF position, rather than the LOCK position, there will be a small current drain on your battery which could discharge your battery over a period of time. If you have a need to leaveyour key in the ignition in the OFF position for an extended period for any reason, it is recommended that you disconnect the battery cable fromthe battery to prevent discharging your battery. 2-14