使用说明：

1.解压缩
2.运行update目录下的EXE安装升级档
3.复制codex目录下的文件到游戏安装目录覆盖
4.开始游戏

升级档安装步骤：

1.安装《汽车俱乐部》游戏：http://down.ali213.net/pcgame/automobilistag.html
2..安装本升级档

更新说明（机翻）：

更新v1.4.5：
内容
添加了Curvelo电路（“A”和“B”布局）
添加库存汽车巴西2017系列

更新和修复
修改的AI超越风险计算 - AI现在不断寻找通过一辆较慢的车前进的方式（不再退出超车）*
修改和扩展的即插即用功能，模拟股票车2017赛季（包括指示启动/可用性的挡风玻璃灯）
AI现在也使用P2P来超越/防御对手
增加新车专用的AI风险计算参数进行超车 - AI现在要考虑转角半径，以决定是否尝试切换线超车
增加了新的AI功能，以防止AI车在旋转后尝试重新加入轨道，直到没有迎面而来的流量
AI现在受到草/砾石抓地力和轮胎污垢的影响（它会提升一点，直到轮胎再次清洁）
添加新的控制器阻尼滑块和预设，以更好的键盘和游戏手柄控制**
将相机设置移动到DISPLAY UI屏幕，并添加了“Lock to Horizo​​n”滑块（其中0％是v1.4之前的设置，100％是最新设置）
添加车库UI警告信息系列，不允许种族加油，＆禁用HUD坑菜单燃油调整为那些系列***
几个小的UI修复和调整
调节音频遮挡，低通风和过滤器
调整AI起草，滑移反应，侵略水平
将默认驾驶舱FOV从50度改为45度
调整牵引力控制功能（作为驾驶辅助）
添加PLR文件设置以禁用跟踪记分板（已知会导致实时流中的某些问题）
会议期间的跟踪状态回归分别从2％和10％降至1％和5％
在Caterhams，MCR，Marcas，Lancers修正过多的燃油消耗
更新所有轨道的日出/日落照明值
更新Cadwell，品牌，Imola，VIR，库里蒂巴。 Cascavel，关西，Velocitt？塔鲁马，戈亚尼亚，斯皮尔伯格，圣克鲁斯，蒸气？ Londrina，Interlagos地形和道路纹理到最新的质量标准
在库里蒂巴，塔鲁姆的小路和路边更新？ Goiania，Santa Cruz，Londrina，Interlagos，以配合其2017年布局
固定F-Ultimate轮胎选择Interlagos，关西
卡丁车：修复了最后一个修复程序的破坏性悬挂错误
MCR：固定的RPM LED在左侧驱动程序方面无法工作
Camaro：添加2017 Stock汽车安全车皮

原文：

Update v1.4.5:
CONTENT
Added Curvelo circuit ("A" & "B" layouts)
Added Stock Car Brasil 2017 series

UPDATES & FIXES
Revised AI overtaking risk calculations - AI now constantly looks for a way past a slower car ahead (no longer backs off overtakes) *
Revised & Expanded Push-to-Pass functionality, simulating Stock Car 2017 season (including windshield lights indicating activation / availability)
AI now also uses P2P to overtake / defend from opponents
Added new car-specific AI risk calculation parameters for overtaking - AI now factors corner radius ahead to decide whether to try switch lines to overtake
Added new AI function to prevent AI car from trying to rejoin the track after a spin until there is no oncoming traffic
AI now affected by grass / gravel grip levels & dirt on tires (it will lift a bit until tires are clean again)
Added new controller damping sliders & presets for better keyboard & gamepad control **
Moved camera settings to DISPLAY UI screen, & added a "Lock to Horizon" slider (where 0% is pre-v1.4 setting, and 100% is latest setting) 
Added Garage UI warning message for series in which race refuelling is not allowed, & disabled HUD pit menu fuel adjustment for those series ***
Several minor UI fixes & adjustments
Adjusted audio occlusion, low pass & wind filters
Adjusted AI drafting, slip reaction, aggression levels
Changed default cockpit FOV from 50 to 45 degrees
Adjusted traction control functionality (as a driving aid)
Added PLR file setting to disable track scoreboards (known to cause some issues in live streaming)
Track state regression between sessions & overnight reduced from 2% & 10% respectively to 1% & 5%
Corrected excessive fuel consumption in Caterhams, MCR, Marcas, Lancers
Updated sunrise/sunset lighting values for all tracks
Updated Cadwell, Brands, Imola, VIR, Curitiba. Cascavel, Kansai, Velocitt? Taruma, Goiania, Spielberg, Santa Cruz, Guapor? Londrina, Interlagos terrain & road textures to latest quality standard
Minor road & curb updates at Curitiba, Tarum? Goiania, Santa Cruz, Londrina, Interlagos to match their 2017 layouts
Fixed F-Ultimate tire options for Interlagos, Kansai
Karts: Fixed handling-breaking suspension bug from last hotfix
MCR: Fixed RPM LEDs not working in left-hand driver side
Camaro: Added 2017 Stock Car Safety Car skin

by CODEX