1994 Chevrolet Blazer Owner's Manual - Page 88

3. 4 LO: This setting also engages your front axle to give you extra traction. You may never need 4 LO. It sends the maximum power to all four wheels. You might choose 4 LO if you were driving off-road in sand, mud, deep snow and climbing or descending steep hills. Indicator lights in the switch show you which setting you are in. Both indicator lights will come on briefly when you turn on the ignition. If both lights do not come on, you should take your vehicle in for service. The 4 HI position has a green indicator light and the 4 LO position has an amber indicator light. When shifting, an indicator light will flash until the shift is completed then remain solidly lit. Two-wheel drive, (2 WHEEL), does not have a switch position or an indicator light. Your vehicle will be in two wheel drive if neither indicator light is on. To shift from two-wheel drive,(2 WHEEL) to 4 HI: Press and release the 4 HI switch. This can be done at any speed, and the front axle will lock automatically. To shift from 4 HI to two-wheel drive (2 WHEEL): Press and release the 4 HI switch. This can be done at any speed, andthe front axle will unlock automatically. To shift from two-wheel drive (2 WHEEL) to 4 LO: The vehicle must be stopped or moving less than 3 mph (4.8 km/h) with the transmission in " N ' (Neutral) or the clutch pedal depressed.The preferred method for shifting one-to-two mph (1.6 to into 4 LO is to have your vehicle slowly moving 3.2 k d h ) . Press and release the4 LO switch. You must wait for the amber 4 LO indicator light to stop flashing and go solid amber before shifting your transmission into gear or releasing the clutch pedal. is If the 4 LO switch is pressed when your vehicle in gear and/or moving, the amber 4 LO indicator light will flash for30 seconds and not complete the shift unless your vehicle is below3 mph (4.8 k d h ) and the transmission is in "N" (Neutral) or the clutch pedal depressed. On automatic transmission equipped vehicles: If your transfer case doesnot shift into 4 LO, your transmission indicator switch may requireadjustment. With your transmission in "N" (Neutral), press and release the 4 LO switch. While the amber 4 LO indicator light is flashing, shift your transmission into P (Park). 2-34