If one window moves slowly while the rest of the car behaves normally, the fault may be local to that window's mechanism, switch, or wiring. If several systems are weak and warning lights appear together, check the battery and charging supply.
Compare symptoms before replacing a battery. A voltage test and a targeted circuit check can separate a shared supply issue from one component's problem.
Quick educational note
For information, not a diagnosis or repair instruction. Vehicle-specific checks are still required. Consult the manufacturer's guidance and a qualified technician.
How to use this information
This article explains general principles and does not establish what is wrong with your vehicle. Read the content limitations.