Here is the full list of all 63 Car Detailing Simulator achievements.
Make money
Wash 100 cars
Car 1 minute
Fix ufo
Find turtle
Find unique
Buy auto salon
Sell lower price
See credits
Finish game
Get 15 rep
Wash 50 cars
Buy all upgrades
Buy shed car
Repair garage
Buy garage
Pressure washer time
Water computer
Get 10 rep
Use sponge
Return dirty
Use small brush
Use automatic polisher
Use paint meter
Buy all toolkits
Wash 10 cars
Get 5 rep
Stairs ride
Long session
Fix trash
Use trash can
Fix seat
Use soft brush
Use wide brush
Buy window toolkit
Buy wheel toolkit
Use sand paper
Buy garage upgrade
Buy seat toolkit
Buy interior toolkit
Get 2 rep
Fix scratches
Use hand polisher
Use flashlight
Buy finish toolkit
Open memory
Wash 1 car
Take photo
Buy body toolkit
Buy one toolkit
Finish tutorial
Use vacuum
Use seat spray
Use window spray
Use rag
Use pressure washer
Buy lights toolkit
Fix body
Fix windows
Fix wheels
Wash 500 cars
Overtime