Buick Regal 2018-2025 Service Manual / General Information / About Manual
Buick Regal: About Manual
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Arrows and Symbols, Acronyms and Units
ARROWS AND SYMBOLS
This service manual uses various symbols in order to describe different
service operations.
Front of Vehicle
View Detail
Ambient Air Mixed with Another Gas or Indicate Tempera
Vehicle, Engine and Transmission ID and VIN Location, Derivative and
Usage
The vehicle identification number (VIN) plate is the legal identifier of the
vehicle. The VIN plate is
located on the upper left corner of the instrument panel (I/P) and can be seen
through the win
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Lockout Protection
When locking is requested with the
driver door open and the vehicle is
on or in ACC/ACCESSORY, all the
doors will lock and then the driver
door will unlock.
If the vehicle is off and locking is
requested while a door is open,
when all doors are closed the
vehicle will check for RKE
transmitters ins
Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time
to change the engine oil and filter.
The oil life system should be reset
to 100% only following an oil
change.
Resetting the Oil Life System
1. Using the DIC co
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