Hyundai Sonata: Smart Key / Start-up
You can start the engine without inserting the key.
NOTICE
To prevent damaging the smart key:
- Keep the smart key away from water or any liquid and fire. If the inside of the smart key gets damp (due to drinks or moisture), or is heated, internal circuit may malfunction, excluding the car from the warranty.
- Avoid dropping or throwing the smart key.
- Protect the smart key from extreme temperatures.
NOTICE
Always have the smart key with you when leaving the vehicle. If the smart key is left near the vehicle, the vehicle battery may be discharged.
Smart Key
Your HYUNDAI uses a Smart Key, which you can use to lock or unlock a door (and
trunk) and even start the engine.
1. Door Lock
2. Door Unlock
3. Trunk Open
4. Panic
Locking
To lock :
1. Close all do ...
Mechanical key
If the Smart Key does not operate normally, you can lock or unlock the door by
using the mechanical key.
Press and hold the release button (1) and remove the mechanical key (2). Insert
the mechanic ...
Other information:
Hyundai Sonata LF 2014-2019 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 kPa). Do not re ...
Hyundai Sonata LF 2014-2019 Service Manual: CVVT (Continuously Variable Valve Timing) System Description and Operation
Description
Continuous Variable Valve Timing (CVVT) system advances or
retards the valve timing of the intake and exhaust valve in accordance
with the ECM control signal which is calculated by the engine speed and
load.
By controlling CVVT, the valve over-lap or under-lap occurs,
which m ...
