Connecting your iPhone to Apple CarPlay provides a convenient, hands-free driving experience, but extensive use comes with significant drawbacks for your device.
Using CarPlay, particularly the wireless version, forces your iPhone to work harder. It must maintain a wireless connection, mirror its screen, and run apps simultaneously. This demands substantial processing power from the CPU and GPU, leading to rapid battery drain and noticeable device overheating.
This constant high-power state accelerates battery wear. Frequent charging cycles, combined with heat generated by the processor and wireless radios, degrade the battery's long-term capacity faster than normal use. Even newer iPhone models are susceptible to this stress.
Continuous overheating can cause further damage beyond the battery, potentially affecting the display and causing performance throttling. To mitigate this, consider using a wired CarPlay connection or adjusting settings to reduce the load on your iPhone during drives.