Question 1

Weak 12V auxiliary battery (Long Range)

Accepted Answer

On electric and hybrid vehicles the 12V auxiliary battery powers the start-up electronics; when it weakens, the car may not go into Ready mode, show random warnings or refuse to charge. It is more common with infrequent use and after 4-6 years.

Question 2

Front upper control arm creaking (Model 3)

Accepted Answer

The front upper control arms can develop play and creak or clunk over speed bumps and at low speed; advanced cases affect alignment and tyre wear.

Question 3

Phantom braking with cruise control (Model 3)

Accepted Answer

Owners report sudden braking with no obstacle ahead while adaptive cruise control or Autopilot is engaged, mainly on motorways, under bridges, in shadows or when passing lorries.

Tesla Model 3Model 3

Known issues and common problems

Tesla Model 3Model 3

Known issues and common problems

Weak 12V auxiliary battery (Long Range)1 solutionsLow

Front upper control arm creaking (Model 3)at 60000 km · 1 solutionsMedium

Phantom braking with cruise control (Model 3)1 solutionsHigh