background image

© 2014 General Motors.   All Rights Reserved

1

2012 - 2016 Buick LaCrosse eAssist

2012 - 2016 Buick Regal eAssist

GM Service Technical College provides First Responder Guides (FRG) and Quick Reference (QR) Sheets 

free of charge 

to First Responders.

FRGs and QRs can be displayed in a classroom as long as they are represented as GM information and are not modified in any way.

GM’s First Responder Guides are available at www.gmstc.com

Summary of Contents for 2012 LaCrosse

Page 1: ...rvice Technical College provides First Responder Guides FRG and Quick Reference QR Sheets free of charge to First Responders FRGs and QRs can be displayed in a classroom as long as they are represente...

Page 2: ...g the Buick LaCrosse and Regal eAssist vehicles in the safest manner possible This guide contains a general description of how the Buick LaCrosse and Regal eAssist vehicle systems operate and includes...

Page 3: ...osse and Regal eAssist vehicles are front wheel drive five passenger hybrid electric vehicles The eAssist system utilizes a high voltage battery located in the trunk as a supplemental power source The...

Page 4: ...te between standard and eAssist Buick LaCrosse and Regal vehicles look in the following places to determine if high voltage exists Under the hood features Large orange cable connected to generator Yel...

Page 5: ...eparate electrical systems within the eAssist vehicles low voltage 12V and high voltage 130V The low voltage system is similar to a conventional vehicle The low voltage system provides the energy need...

Page 6: ...Regal eAssist system is composed of the following components High voltage starter generator 3 phase electric power cables High voltage lithium ion battery System Components High Voltage Lithium Ion Ba...

Page 7: ...eatures a 130 volt lithium ion battery which provides electrical energy to the starter generator The high voltage battery assembly is located in the trunk behind the rear passenger seats The assembly...

Page 8: ...8 3 Phase Electric Power Cables 3 Phase Electric Power Cables The 3 phase electric power cables connect the high voltage battery assembly to the starter generator These cables are housed in a labeled...

Page 9: ...erved 9 High Voltage Starter Generator High Voltage Starter Generator The eAssist system is designed to restart the engine after an auto stop and supplement engine torque on various powertrain configu...

Page 10: ...art the engine after an auto stop and supplement engine torque The eAssist system provides an electric boost to the powertrain system during heavy acceleration and grade driving This boost enables the...

Page 11: ...2014 General Motors All Rights Reserved 11 High Voltage Labels The Buick LaCrosse and Regal eAssist system features a series of labels that enable quick identification of potential electrical hazards...

Page 12: ...ved 12 High Voltage Labels Continued The first responder label located under the hood indicates the locations of the high voltage and low voltage batteries as well as steps a first responder should ta...

Page 13: ...re orange and indicate a potential shock hazard if high voltage is not properly disabled The labels are located underneath the vehicle on all high voltage components with the exception of the high vol...

Page 14: ...al Motors All Rights Reserved 14 High Voltage Labels Continued The manual service disconnect label located on the cover of the high voltage battery illustrates how to operate the manual service discon...

Page 15: ...ors All Rights Reserved 15 High Voltage Labels Continued The high voltage danger labels are red and indicate that high voltage is present at all times These labels are located on the high voltage batt...

Page 16: ...he yellow first responder cut tape labels are wrapped around the low voltage 12V cables to indicate where emergency responders are to cut to disable air bags and the high voltage system Cable Cut Labe...

Page 17: ...situation the eAssist system must be disabled To disable high voltage 1 Turn ignition to OFF position 2 Cut the black 12 volt battery cable at yellow tape 3 Cut the auxiliary power module cable locate...

Page 18: ...d always assume the high voltage cables and components contain high voltage The high voltage cables in the Buick LaCrosse and Regal eAssist vehicles are routed to minimize interaction with any extract...

Page 19: ...quipped with six standard airbags to protect the occupant in front side and rollover crashes There are two optional thorax airbags located within the rear seat back of the LaCrosse There are also dual...

Page 20: ...is commanded open whenever one or more airbags deploy This interrupts the 130 volt electrical system and discontinues current flow through the high voltage cables This vehicle is equipped with dual s...

Page 21: ...The body structure contains high strength steel this is highlighted in blue The occupants are protected from front rear and side impacts by a structural cage created by the underlying vehicle structur...

Page 22: ...the outboard edge contains side airbags Center pillar near the rocker contains the seat belt retractor pretensioner and side impact sensor WARNING Do NOT cut into the vehicle until the 12V electrical...

Page 23: ...lyte is flammable Use copious amounts of water to cool the battery and extinguish the fire ABC dry chemical extinguisher will not extinguish a battery fire Water The high voltage battery is isolated f...

Page 24: ...ontained in this guide will prove useful as you prepare to assist those involved in an emergency event For information regarding modification of GM s First Responder Information for other uses contact...

Reviews: