
Make this adjustment before you start driving and while the day/night lever is in the day position.
Pull the day/night lever towards you to reduce glare from the headlights of the vehicles behind you during night driving.
Remember that you lose some rearview clarity in the night position.
Inside Rearview Mirror
Blue Link® centerHyundai Elantra AD (2016-2020) Service Manual: Fuel Tank Pressure Sensor (FTPS) Specifications
Specification
Pressure [kPa (kgf/cm?, in H2O)Output Voltage (V)-6.67 (-0.068, -26.8)0.502.5+6.67 (0.068, 26.8)4.5
...
Hyundai Elantra AD (2016-2020) Owners Manual: Recommended Cold Tire Inflation Pressures
All tire pressures (including the spare) should be checked when the tires are
cold. "Cold tires" means the vehicle has not been driven for at least three hours
or driven less than one mile (1.6 km).
Warm tires normally exceed recommended cold tire pressures by 4 to 6 psi (28
to 41 k ...