SAN JOSE (CBS SF) — A teenage girl learning how to drive accidentally stepped on the gas pedal and struck her 81-year-old grandmother who died over the weekend in San Jose, police said Monday.

The elderly woman has been identified as Antonia Ramirez De Mendez of San Jose, according to the Santa Clara County medical examiner’s office.

READ MORE: UPDATE: Cal Fire Crews Reach 80% Containment on Fremont Fire Near Napa-Sonoma County Line

The collision happened at Chateau La Salle mobile home park at 2681 Monterey Road where officers responded to a major injury collision around 5:30 p.m. Saturday, police said.

An initial investigation showed a 14-year-old girl was behind the wheel for a driving lesson with her father at the mobile home community and collided with her grandmother when she accidentally sped up as they returned to their space, according to police.

The woman, later identified as Ramirez De Mendez, was transported to a hospital for injuries that emergency crews initially believed weren’t life-threatening, police said.

READ MORE: NHL Clears Evander Kane In Gambling Probe; Faces New Allegations Of Spousal Abuse

On Sunday around 3:30 p.m., however, the woman succumbed to her injuries, according to police.

The death marks the city’s 38th traffic-related death on city streets this year, police said.

Anyone with information on the case is asked to call police Detective Kelvin Pham at (408) 277-4654. Those who wish to remain anonymous may call Silicon Valley Crime Stoppers at (408) 947-7867.

MORE NEWS: Posey, Bryant Lead Giants Past Padres, Increase NL West Lead To 2 Games

© Copyright 2016 by CBS San Francisco and Bay City News Service. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.