Engine doesn't cut out when car stationary
2019 Hyundai Tucson N line

David Portbury
1 points

Problem added: May 11, 2021 (1 month ago)
As a fuel saver the engine should cut out when stationary in traffic, unfourtuently it stopped doing so in the first 6 months from new. On it's first service, last July, I was informed that the reason was due to the pandemic causing low usage of the car preventing the battery from fully charging as a fully charged battery was a requirement for the function to work. (The car had only done 1800 miles.) However, the fault is still there even after a single trip of 300 miles had been undertaken. Whilst the car has still only done 3900 miles, I would have thought that a single 300 mile round trip would been sufficient to fully charge the battery.

Car details
Car: Hyundai Tucson
Variant: N line
Model Year: 2019
Replies and Fixes
19,216 points

May 11, 2021 (1 month ago)
Agree with what they said . Even on a 300 mile trip , with various functions / things on and being used whilst driving wont usually fully charge battery . You could buy a trickle charger cheaply and use that to keep the battery fully charged .
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