Under warranty pa pala. Review mo mabuti ang manual, else dalhin mo sa dealer for warranty claim.

Baka stucked keys yan or kung confident ka in your DIY skills na hindi ma notice ng dealer, remove the HU bracket and check mo connectors sa likod by tangal-kabit to see if may loose nga. You will need M10 socket at philips screwdriver. Kung wala pa rin, ipaubaya mo na sa dealer at baka mavoid warranty kung bubuksan mo headunit.