Audible Alerts

An audible alert sounds during the ignition sequence and whenever one of the following conditions exists:

• Engine oil pressure falls below the minimum preset value.

• Coolant temperature rises above the maximum preset value.

• Air pressure falls below approximately 70 psi (483 kPa).

• Parking brake is set with the vehicle moving faster than two miles per hour.

• System voltage falls below 12 volts.

• Door is open with the parking brake off.

• Headlights are on with the door open and the ignition off.

• Occupied seat belts are not fastened and the parking brake is not set (optional).

• Outside temperature falls below 35°F (1.7°C) (optional).