See also:

Draining of coolant water
If the vehicle is to be left outside without antifreeze, drain the cooling system, including the engine block. Refill before operating the vehicle. For details, see “Changing engine coolant” ...

Safety
Traction control is available on select models. The Frontier offers advanced brake controls in 4x4 models, including an electronic stability system, Hill Descent Control and Hill Start Assist. HDC ...

Clearing the programmed information
Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...