The 2012 Skoda Octavia 1.6 automatic makes a rattling noise during cold starts! There is a knocking sound when shifting gears!

2008 Yaris 1.6 automatic, driven 130,000 km. Now, when the engine is cold, it can't shift from 3rd to 4th gear, and it can't accelerate beyond 70 km/h.

Does the original factory condition of the Navara automatic transmission make a sound when shifting into reverse gear?

What could be the reason for not being able to shift gears when the car is cold?

What could be causing the Luxgen M7 engine to make a knocking noise when cold, but not when warmed up?

Does anyone else hear a rattling sound during the start-up acceleration of the 2023 Mini S? What could be the cause?

A car from March 2024, there's a rattling sound on concrete roads. The trunk makes noise, the center console island makes noise, and the seats make noise. It feels like the whole car is rattling.

The 2012 Skoda Octavia 1.6 automatic makes a rattling noise during cold starts! There is a knocking sound when shifting gears!

When you shift to D gear and press the accelerator to start, does your car make a buzzing sound, like exhaust resonance?

Is it normal to feel a jolt or a forward surge when shifting gears during acceleration?

Has anyone encountered an issue with a 2017 Skoda Octavia where the gear doesn't shift up when accelerating, or it drops from D3 to D but doesn't move when accelerating? Any advice on how to fix this?