Suspicious noises during steering and ignition

For the noise when steering, it could be due to worn-out suspension components like the strut mounts or bushings. Check these parts for wear or damage. The hopping noise from the rear suspension might be related to a worn shock absorber or a loose component. Inspect the rear suspension for any visible issues. The rattling noise and vibration on the brake pedal when starting could be related to the ABS system or a loose heat shield. Check for any loose parts around the brake system. If you're unsure or the problem persists, it's best to have a mechanic inspect it for safety reasons. Let me know how it goes or if you have more questions!

The noise at the front suspension is greater when the temperature is harsher and you leave the car parked forr a while. The rear one, on the other hand, only for a few days and in any environmental situation; obviously it is more noticeable on rough roads. Last year in April, it had been disassembled and lubricated (greased) the lower steering arms, so I read in the warranty sheet.

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Since the noise is more pronounced in colder temperatures and after the car has been parked, it might be related to the rubber components in the suspension, such as bushings, which can become stiffer in the cold. For the rear noise, since it's more noticeable on rough roads, check the rear shock absorbers and mounts for wear or damage. Given the previous work on the steering arms, it might be worth revisiting them to ensure everything is still properly lubricated and secured. Keep me updated on your findings or if you have further questions!