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 ...
Hyundai Elantra AD (2016-2020) Owners Manual: Tire Replacement
If the tire is worn evenly, a tread wear indicator will appear as a solid band
across the tread. This shows there is less than 2/32 inch (1.6 mm) of tread left
on the tire. Replace the tire when this happens.
Do not wait for the tread surface to become level with the tread wear indicators
b ...