Car warranty

Yes. It's better to stick to that agency till the warranty expires.

If you check out their schedule, you'll notice that each maintanance trip is much more of just oil change. If you ignore those additional checks and something goes wrong (God forbid), the dealer may simply refuse warranty coverage blaming you for negligence.

What's the car by the way?

Mazda 3
the problem with them is that it is necessary to fix an appointment for service.
90% of the time they give an appointment after at least three weeks.

also, you must leave your car for the full day.

Do not leave the car's agency services whatever happened.
expensive, they have moved, never mind its all for your own cars good, try to stick to them and make a good history for your car there and also they will provide your car with the latest updates from the mother company.
believe
Drive safely and thanks alot

I bought LED foglights in the internet and I want to install it to my car. Will that void my car's warranty? Thank you.

Yes indeed and to be sure , you can ask your authorized agency.
Thanks so much and appreciate it.