1996 Chevrolet Blazer Owner's Manual - Page 122

Speedometer ar Odometer Your speedometer lets you see your speed in both miles per hour (mph) and kilometers perhour (km/h). Your odometer shows how far your vehicle has been driven, in either miles (used in the UnitedStates) or kilometers (used inCanada). Your odometer is tamper resistant. It will show silver lines between the numbers if someone triesto turn it back. Each tachometer hasa different limit depending on the powertrain in your vehicle. The tachometer has three areas: normal operating range, red warning rangeand red danger range. Normal operating range shows your engine speed during normal driving conditions. For example, when the needle points to 2, it means the engine is running at 2,000 revolutions per minute (rpm). tachometer The needle will vary allthe time that the engine is running. The red warning range tells you that your engine speed is reaching its upper limits. Don'tdrive very long with the tachometer in the red warning range. If you have a manual transmission, shift to a higher gear as soon as possible. If you have an automatic transmission, lift your foot off of the accelerator pedal. The red danger range tells you that your engine speed is at its upper limits.You should immediately shift to a higher gear, or lift your foot off of the accelerator pedal. L You may wonder whathappens if your vehicle needs a new odometer installed. If the new one can be set to the mileage total of the old odometer, then it must be. But if it can't, then it's set at zero, and label must be puton a the driver's doorto show the old mileage reading when the new odometer was installed. Trip Odometer The trip odometer can tell you how far your vehicle has been driven since you last set the trip odometer to zero. To set the trip odometer to zero, press the button near the readout. NOTICE: Do not operate the engine with the tachometer in the red range, or engine damage will occur. Tachometer (Option) The tachometer displays the engine speed in revolutions per minute (rpm). 2-64