Hyundai Tucson (LM) 2010-2015 Owners Manual: To decrease cruise control speed
Push the lever (1) down (to SET-) and hold it. Your vehicle will gradually
slow down. Release the lever at the speed you want to maintain.
Push the lever (1) down (to SET-) and release it immediately. The cruising
speed will decrease 1.0 mph (1.6 km/h) each time the lever is operated ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: 3. Exhaust emission control system
The Exhaust Emission Control System is a highly effective system which controls
exhaust emissions while maintaining good vehicle performance.
When the engine starts or fails to start, excessive attempts to restart the engine
may cause damage to the emission system.
Vehicle modifications
Th ...