NC的车主手册内容：拖车点火是surge forward；推车点火会damage the emission
control system. 还不一样。
印象里MT一直可以推车点火，难道NC不行？
引用：
2009_MX5_OM
Ch7-24
Push-Starting
Do not push-start your Mazda.
WARNING
Never tow a vehicle to start it: Towing a vehicle to start it is dangerous.
The vehicle being towed could surge forward when its engine starts, causing
the two vehicles to collide. The occupants could be injured.
CAUTION
Do not push-start a vehicle that has a manual transmission. It can damage
the emission control system.
