This warning light indicates the fuel tank is nearly empty. When it comes on, you should add fuel as soon as possible. Driving with the fuel level warning light on or with the fuel level below “E” can cause the engine to misfire and damage the catalytic converter.
Hyundai Tucson (LM) 2010-2015 Service Manual: Back-up Lamp Switch Specifications
Specifications
ItemSpecifications Working voltage DC 10~15V Operating force3.0kg MaxVoltage drop-0.4VWorking temperature30°C ~ 100°C [-30°F ~ 212°F]
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Hyundai Tucson (LM) 2010-2015 Owners Manual: If the engine will not start
If the engine doesn't turn over or turns over slowly
Be sure the shift lever is in N (Neutral) or P (Park). The engine starts
only when the shift lever is in N (Neutral) or P (Park).
Check the battery connections to be sure they are clean and tight.
Turn on the interior light. If the ligh ...