Adverse safety consequences of under-inflation
Driving at high speeds with excessively low tire pressures can cause the tires to flex severely and to rapidly become hot. A sharp increase in temperature could cause tread separation, and failure of the tire(s). Possible resulting loss of vehicle control could lead to an accident.
See also:
Recommended shifting speeds
The best compromise between fuel economy and vehicle performance during normal
driving is ensured by shifting up at the speeds listed in the following table.
...
Mode selection
Turn the “TUNE/TRACK/CH” dial and
select the HD Radio ON mode (hybrid
mode) or OFF mode (analog mode). ...
Cleaning ventilator grille
Always keep the front ventilator inlet grille free of snow, leaves, or other
obstructions to ensure efficient heating and defrosting. Since the condenser is
located in front of the radiator, thi ...